Add initial add-on code (#1)

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+insert_final_newline = true
+trim_trailing_whitespace = true
+ident_size = 4
+
+[*.md]
+ident_size = 2
+trim_trailing_whitespace = false
+
+[*.json]
+ident_size = 2
+
+[{.gitignore,.gitkeep,.editorconfig}]
+ident_size = 2

.github/CODEOWNERS

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+.github/* @frenck

.github/FUNDING.yml

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+---
+github: frenck
+patreon: frenck
+custom: https://frenck.dev/donate/

.github/ISSUE_TEMPLATE.md

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+# Problem/Motivation
+
+> (Why the issue was filed)
+
+## Expected behavior
+
+> (What you expected to happen)
+
+## Actual behavior
+
+> (What actually happened)
+
+## Steps to reproduce
+
+> (How can someone else make/see it happen)
+
+## Proposed changes
+
+> (If you have a proposed change, workaround or fix,
+> describe the rationale behind it)

.github/PULL_REQUEST_TEMPLATE.md

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+# Proposed Changes
+
+> (Describe the changes and rationale behind them)
+
+## Related Issues
+
+> ([Github link][autolink-references] to related issues or pull requests)
+
+[autolink-references]: https://help.github.com/articles/autolinked-references-and-urls/

.github/dependabot.yaml

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+---
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: daily
+      time: "06:00"

.github/labels.yml

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+---
+- name: "breaking-change"
+  color: ee0701
+  description: "A breaking change for existing users."
+- name: "bugfix"
+  color: ee0701
+  description: "Inconsistencies or issues which will cause a problem for users or implementors."
+- name: "documentation"
+  color: 0052cc
+  description: "Solely about the documentation of the project."
+- name: "enhancement"
+  color: 1d76db
+  description: "Enhancement of the code, not introducing new features."
+- name: "refactor"
+  color: 1d76db
+  description: "Improvement of existing code, not introducing new features."
+- name: "performance"
+  color: 1d76db
+  description: "Improving performance, not introducing new features."
+- name: "new-feature"
+  color: 0e8a16
+  description: "New features or options."
+- name: "maintenance"
+  color: 2af79e
+  description: "Generic maintenance tasks."
+- name: "ci"
+  color: 1d76db
+  description: "Work that improves the continue integration."
+- name: "dependencies"
+  color: 1d76db
+  description: "Upgrade or downgrade of project dependencies."
+
+- name: "in-progress"
+  color: fbca04
+  description: "Issue is currently being resolved by a developer."
+- name: "stale"
+  color: fef2c0
+  description: "There has not been activity on this issue or PR for quite some time."
+- name: "no-stale"
+  color: fef2c0
+  description: "This issue or PR is exempted from the stable bot."
+
+- name: "security"
+  color: ee0701
+  description: "Marks a security issue that needs to be resolved asap."
+- name: "incomplete"
+  color: fef2c0
+  description: "Marks a PR or issue that is missing information."
+- name: "invalid"
+  color: fef2c0
+  description: "Marks a PR or issue that is missing information."
+
+- name: "beginner-friendly"
+  color: 0e8a16
+  description: "Good first issue for people wanting to contribute to the project."
+- name: "help-wanted"
+  color: 0e8a16
+  description: "We need some extra helping hands or expertise in order to resolve this."
+
+- name: "hacktoberfest"
+  description: "Issues/PRs are participating in the Hacktoberfest."
+  color: fbca04
+- name: "hacktoberfest-accepted"
+  description: "Issues/PRs are participating in the Hacktoberfest."
+  color: fbca04
+
+- name: "priority-critical"
+  color: ee0701
+  description: "This should be dealt with ASAP. Not fixing this issue would be a serious error."
+- name: "priority-high"
+  color: b60205
+  description: "After critical issues are fixed, these should be dealt with before any further issues."
+- name: "priority-medium"
+  color: 0e8a16
+  description: "This issue may be useful, and needs some attention."
+- name: "priority-low"
+  color: e4ea8a
+  description: "Nice addition, maybe... someday..."
+
+- name: "major"
+  color: b60205
+  description: "This PR causes a major version bump in the version number."
+- name: "minor"
+  color: 0e8a16
+  description: "This PR causes a minor version bump in the version number."

.github/release-drafter.yml

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+---
+name-template: "v$RESOLVED_VERSION"
+tag-template: "v$RESOLVED_VERSION"
+change-template: "- $TITLE @$AUTHOR (#$NUMBER)"
+sort-direction: ascending
+
+categories:
+  - title: "🚨 Breaking changes"
+    labels:
+      - "breaking-change"
+  - title: "✨ New features"
+    labels:
+      - "new-feature"
+  - title: "🐛 Bug fixes"
+    labels:
+      - "bugfix"
+  - title: "🚀 Enhancements"
+    labels:
+      - "enhancement"
+      - "refactor"
+      - "performance"
+  - title: "🧰 Maintenance"
+    labels:
+      - "maintenance"
+      - "ci"
+  - title: "📚 Documentation"
+    labels:
+      - "documentation"
+  - title: "⬆️ Dependency updates"
+    labels:
+      - "dependencies"
+
+version-resolver:
+  major:
+    labels:
+      - "major"
+      - "breaking-change"
+  minor:
+    labels:
+      - "minor"
+      - "new-feature"
+  patch:
+    labels:
+      - "bugfix"
+      - "chore"
+      - "ci"
+      - "dependencies"
+      - "documentation"
+      - "enhancement"
+      - "performance"
+      - "refactor"
+  default: patch
+
+template: |
+  ## What’s changed
+
+  $CHANGES

.github/workflows/ci.yaml

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+---
+name: CI
+
+# yamllint disable-line rule:truthy
+on:
+  push:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+  workflow_dispatch:
+
+jobs:
+  information:
+    name: Gather add-on information
+    runs-on: ubuntu-latest
+    outputs:
+      architectures: ${{ steps.information.outputs.architectures }}
+      build: ${{ steps.information.outputs.build }}
+      description: ${{ steps.information.outputs.description }}
+      name: ${{ steps.information.outputs.name }}
+      slug: ${{ steps.information.outputs.slug }}
+      target: ${{ steps.information.outputs.target }}
+    steps:
+      - name: ⤵️ Check out code from GitHub
+        uses: actions/checkout@v2.3.4
+      - name: 🚀 Run add-on information action
+        id: information
+        uses: frenck/action-addon-information@v1.0.0
+
+  lint-addon:
+    name: Lint Add-on
+    needs:
+      - information
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⤵️ Check out code from GitHub
+        uses: actions/checkout@v2.3.4
+      - name: 🚀 Run Add-on Lint
+        uses: frenck/action-addon-linter@v1.4
+        with:
+          community: true
+          path: "./${{ needs.information.outputs.target }}"
+
+  lint-hadolint:
+    name: Hadolint
+    needs:
+      - information
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⤵️ Check out code from GitHub
+        uses: actions/checkout@v2.3.4
+      - name: 🚀 Run Hadolint
+        uses: brpaz/hadolint-action@v1.3.1
+        with:
+          dockerfile: "./${{ needs.information.outputs.target }}/Dockerfile"
+
+  lint-json:
+    name: JSON Lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⤵️ Check out code from GitHub
+        uses: actions/checkout@v2.3.4
+      - name: 🚀 Run JQ
+        run: |
+          shopt -s globstar
+          cat **/*.json | jq '.'
+
+  lint-markdown:
+    name: MarkdownLint
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⤵️ Check out code from GitHub
+        uses: actions/checkout@v2.3.4
+      - name: 🚀 Run mdl
+        uses: actionshub/markdownlint@2.0.0
+
+  lint-shellcheck:
+    name: Shellcheck
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⤵️ Check out code from GitHub
+        uses: actions/checkout@v2.3.4
+      - name: 🚀 Run Shellcheck
+        uses: ludeeus/action-shellcheck@1.0.0
+        env:
+          SHELLCHECK_OPTS: -s bash
+
+  lint-yamllint:
+    name: YAMLLint
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⤵️ Check out code from GitHub
+        uses: actions/checkout@v2.3.4
+      - name: 🚀 Run YAMLLint
+        uses: frenck/action-yamllint@v1.0.2
+
+  lint-prettier:
+    name: Prettier
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⤵️ Check out code from GitHub
+        uses: actions/checkout@v2.3.4
+      - name: 🚀 Run Prettier
+        uses: creyD/prettier_action@v3.3
+        with:
+          prettier_options: --write **/*.{json,js,md,yaml}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  build:
+    name: Build ${{ matrix.architecture }}
+    needs:
+      - information
+      - lint-addon
+      - lint-hadolint
+      - lint-json
+      - lint-markdown
+      - lint-prettier
+      - lint-shellcheck
+      - lint-yamllint
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        architecture: ${{ fromJson(needs.information.outputs.architectures) }}
+    steps:
+      - name: ⤵️ Check out code from GitHub
+        uses: actions/checkout@v2.3.4
+      - name: 🏗 Set up build cache
+        id: cache
+        uses: actions/cache@v2.1.3
+        with:
+          path: /tmp/.docker-cache
+          key: docker-${{ github.ref }}-${{ matrix.architecture }}-${{ github.sha }}
+          restore-keys: |
+            docker-${{ github.ref }}-${{ matrix.architecture }}
+      - name: 🏗 Set up QEMU
+        uses: docker/setup-qemu-action@v1.0.1
+      - name: 🏗 Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1.1.1
+      - name: ℹ️ Compose build flags
+        id: flags
+        run: |
+          echo "::set-output name=date::$(date +"%Y-%m-%dT%H:%M:%SZ")"
+          from=$(jq --raw-output ".build_from.${{ matrix.architecture }}" "${{ needs.information.outputs.build }}")
+          echo "::set-output name=from::${from}"
+
+          if [[ "${{ matrix.architecture}}" = "amd64" ]]; then
+            echo "::set-output name=platform::linux/amd64"
+          elif [[ "${{ matrix.architecture }}" = "i386" ]]; then
+            echo "::set-output name=platform::linux/386"
+          elif [[ "${{ matrix.architecture }}" = "armhf" ]]; then
+            echo "::set-output name=platform::linux/arm/v6"
+          elif [[ "${{ matrix.architecture }}" = "armv7" ]]; then
+            echo "::set-output name=platform::linux/arm/v7"
+          elif [[ "${{ matrix.architecture }}" = "aarch64" ]]; then
+            echo "::set-output name=platform::linux/arm64/v8"
+          else
+            echo "::error ::Could not determine platform for architecture ${{ matrix.architecture }}"
+            exit 1
+          fi
+      - name: 🚀 Build
+        uses: docker/build-push-action@v2.2.2
+        with:
+          push: false
+          context: ${{ needs.information.outputs.target }}
+          file: ${{ needs.information.outputs.target }}/Dockerfile
+          cache-from: |
+            type=local,src=/tmp/.docker-cache
+            ghcr.io/hassio-addons/${{ needs.information.outputs.slug }}/${{ matrix.architecture }}:edge
+          cache-to: type=local,mode=max,dest=/tmp/.docker-cache
+          platforms: ${{ steps.flags.outputs.platform }}
+          build-args: |
+            BUILD_ARCH=${{ matrix.architecture }}
+            BUILD_DATE=${{ steps.flags.outputs.date }}
+            BUILD_DESCRIPTION=${{ needs.information.outputs.description }}
+            BUILD_FROM=${{ steps.flags.outputs.from }}
+            BUILD_NAME=${{ needs.information.outputs.name }}
+            BUILD_REF=${{ github.sha }}
+            BUILD_REPOSITORY=${{ github.repository }}
+            BUILD_VERSION=edge