chore(repo): initial package and workflow setup

.github/CODEOWNERS

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+# Default owner for everything in the repo
+*   @GetStream/flutter-developers

.github/actions/package_analysis/action.yml

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+name: Package Analysis
+
+runs:
+  using: "composite"
+  steps:
+    - name: "Install Tools"
+      shell: bash
+      run: flutter pub global activate melos
+
+    - name: "Bootstrap Workspace"
+      shell: bash
+      run: melos bootstrap --verbose
+      env:
+        MELOS_PACKAGES: stream_**,example
+
+    # Only analyze lib/; non-client code doesn't need to work on
+    # all supported legacy version.
+    - name: "Stream Feeds Analyze"
+      shell: bash
+      run: cd packages/stream_feeds/lib && dart analyze --fatal-warnings . && cd .. && flutter test --exclude-tags golden

.github/actions/pana/action.yml

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+name: Pana Workflow
+
+inputs:
+  min_score:
+    required: false
+    type: number
+    default: 120
+  pana_version:
+    required: false
+    type: string
+  runs_on:
+    required: false
+    type: string
+    default: "ubuntu-latest"
+  working_directory:
+    required: false
+    type: string
+    default: "."
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Flutter
+      uses: subosito/flutter-action@v2
+      with:
+        cache: true
+        channel: stable
+        flutter-version: "3.x"
+        cache-key: flutter-:os:-:channel:-:version:-:arch:-:hash:-${{ hashFiles('**/pubspec.lock') }}
+
+    - name: Install Pana
+      working-directory: ${{ inputs.working_directory }}
+      shell: bash
+      run: flutter pub global activate pana ${{inputs.pana_version}}
+
+    - name: Verify Pana Score
+      working-directory: ${{ inputs.working_directory }}
+      shell: bash
+      run: |
+        PANA=$(pana . --no-warning); PANA_SCORE=$(echo $PANA | sed -n "s/.*Points: \([0-9]*\)\/\([0-9]*\)./\1\/\2/p")
+        echo "Score: $PANA_SCORE"
+        IFS='/'; read -a SCORE_ARR <<< "$PANA_SCORE"; SCORE=SCORE_ARR[0];
+        if (( $SCORE < ${{inputs.min_score}} )); then echo "The minimum score of ${{inputs.min_score}} was not met!"; exit 1; fi

.github/pull_request_template.md

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+# Submit a pull request
+<!--Internal tickets have to be added by Stream devs-->
+Closes FLU-
+<!--Optional to add github issue which is solved by this PR-->
+Closes #
+
+## CLA
+
+- [ ] I have signed the [Stream CLA](https://docs.google.com/forms/d/e/1FAIpQLScFKsKkAJI7mhCr7K9rEIOpqIDThrWxuvxnwUq2XkHyG154vQ/viewform) (required).
+- [ ] The code changes follow best practices
+- [ ] Code changes are tested (add some information if not applicable)
+
+## Description of the pull request
+<!-- 
+Describe how these code changes fix the issue or how the feature works.
+Also try to give instructions how this can be tested.
+-->
+
+## Screenshots / Videos
+
+<!-- Consider to add screenshots and/or videos to show the effect of the change -->
+
+| Before | After |
+| --- | --- |
+| img | img |

.github/workflows/beta_version_analyze.yml

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+name: beta_version_analyze
+
+on:
+  schedule:
+    # Runs "At 03:00 every monday"
+    - cron: '0 3 * * 1'
+  workflow_dispatch:
+
+jobs:
+  # Does a sanity check on packages for the next beta version so we are not surprised by any breaking changes.
+  analyze_beta_versions:
+    timeout-minutes: 15
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Git Checkout"
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: "Install Flutter"
+        uses: subosito/flutter-action@v2
+        with:
+          channel: beta
+          cache: true
+          cache-key: flutter-:os:-:channel:-:version:-:arch:-:hash:-${{ hashFiles('**/pubspec.lock') }}
+
+      - name: 📊 Analyze and test packages
+        uses: ./.github/actions/package_analysis
+
+  slack:
+    name: Slack Report
+    runs-on: ubuntu-latest
+    needs: [analyze_beta_versions]
+    if: failure() && github.event_name == 'schedule'
+    steps:
+      - uses: 8398a7/action-slack@v3
+        with:
+          status: failure
+          text: "<@U08BMRSM8G5>: The beta build for Flutter Feeds failed. Please check the logs."
+          job_name: "${{ github.workflow }}: ${{ github.job }}"
+          fields: repo,commit,author,workflow
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_NIGHTLY_CHECKS }}

.github/workflows/legacy_version_analyze.yml

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+name: legacy_version_analyze
+
+env:
+  # Note: The versions below should be manually updated after a new stable
+  # version comes out.
+  flutter_version: "3.27.4"
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+    paths:
+      - "packages/**"
+      - ".github/workflows/legacy_version_analyze.yml"
+  pull_request:
+    branches:
+      - main
+      - develop
+    paths:
+      - "packages/**"
+      - ".github/workflows/legacy_version_analyze.yml"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  # Does a sanity check that packages at least pass analysis on the N-1
+  # versions of Flutter stable if the package claims to support that version.
+  # This is to minimize accidentally making changes that break old versions
+  # (which we don't commit to supporting, but don't want to actively break)
+  # without updating the constraints.
+  analyze_legacy_version:
+    timeout-minutes: 15
+    if: github.event.pull_request.draft == false
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Git Checkout"
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: "Install Flutter"
+        uses: subosito/flutter-action@v2
+        with:
+          cache: true
+          flutter-version: ${{ env.flutter_version }}
+
+      - name: 📊 Analyze and test packages
+        uses: ./.github/actions/package_analysis

.github/workflows/pana.yml

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+name: pana
+
+on:
+  pull_request:
+    branches:
+      - main
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  stream_feeds:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 📚 Git Checkout
+        uses: actions/checkout@v4
+      - name: 📊 Verify Pana Score
+        uses: ./.github/actions/pana
+        with:
+          working_directory: packages/stream_feeds
+          min_score: 130  # Missing 10 points for no example and 10 points for license

.github/workflows/pr_title.yml

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+name: 'PR is Conventional and Semantic'
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+      - synchronize
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  conventional_pr_title:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5.5.3
+        with: 
+          scopes: |
+            llc
+            repo
+          requireScope: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  semantic_changelog_update:
+    needs: conventional_pr_title # Trigger after the [conventional_pr_title] completes
+    runs-on: ubuntu-latest
+    steps:
+      - uses: GetStream/verify-semantic-changelog-update@main
+        with:
+          scopes: |
+            {
+              "llc": "packages/stream_feeds"
+            }
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/scripts/remove-from-coverage.sh

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+#!/bin/bash
+
+# Fast fail the script on failures.
+set -e
+
+flutter pub global run remove_from_coverage:remove_from_coverage -f coverage/lcov.info -r '\.g\.dart$' -r '\.freezed\.dart$'

.github/workflows/stream_feeds_flutter_workflow.yml

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+name: stream_feeds_flutter_workflow
+
+env:
+  FLUTTER_CHANNEL: stable
+  ENV_PROPERTIES: ${{ secrets.ENV_PROPERTIES }}
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - ready_for_review
+  push:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  analyze:
+    timeout-minutes: 15
+    runs-on: ubuntu-latest
+    steps:
+      - name: Git Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Install Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          cache: true
+          cache-key: flutter-:os:-:channel:-:version:-:arch:-:hash:-${{ hashFiles('**/pubspec.lock') }}
+          channel: ${{ env.FLUTTER_CHANNEL }}
+
+      - name: Install Tools
+        run: |
+          flutter pub global activate melos
+          flutter pub global activate remove_from_coverage
+
+      - name: Bootstrap Workspace
+        run: melos bootstrap --verbose
+
+      - name: Dart Analyze
+        run: |
+          melos run analyze
+
+      - name: Check formatting
+        run: |
+          melos run format:verify
+
+      ## Test and coverage reporting
+      - name: "Flutter Test"
+        run: melos run test:all
+      - name: "Collect Coverage"
+        run: melos run coverage:ignore-file --no-select
+      - name: "Upload Coverage"
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{secrets.CODECOV_TOKEN}}
+          files: packages/*/coverage/lcov.info