ci: add pr label check and auto pr labeler (#149)

Co-authored-by: izyak <76203436+izyak@users.noreply.github.com>

.github/labeler.yml

@@ -0,0 +1,14 @@
+cicd:
+  - '.github/workflows/*'
+
+scripts:
+  - 'scripts/*'
+
+test:
+  - 'test/**'
+
+documentation:
+- '**/*.md'
+
+docker:
+- 'docker/**'

.github/workflows/auto-pr-labeler.yaml

@@ -0,0 +1,32 @@
+name: Pull Request Labeler
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - synchronize
+jobs:
+  auto-label:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Find Current Pull Request
+        uses: jwalton/gh-find-current-pr@v1.3.2
+        id: findPr
+        with:
+          # Can be "open", "closed", or "all".  Defaults to "open".
+          state: open
+      - run: echo "PR Number is ${PR}"
+        if: success() && steps.findPr.outputs.number
+        env:
+          PR: ${{ steps.findPr.outputs.pr }}
+
+      - name: check pr pr-number
+        run: echo ${{ github.event.number }}
+
+      - uses: actions/labeler@v4
+        with:
+          dot: true
+          pr-number: ${{ steps.findPr.outputs.pr }}

.github/workflows/check-pr-label.yaml

@@ -0,0 +1,20 @@
+name: PR Label Checker
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+      - reopened
+      - labeled
+      - unlabeled
+
+jobs:
+
+  check_labels:
+    name: Check PR labels
+    runs-on: ubuntu-latest
+    steps:
+      - uses: docker://agilepathway/pull-request-label-checker:latest
+        with:
+          any_of: documentation,enhancement,bug,cicd,test,breaking-change,feature,scripts
+          repo_token: ${{ secrets.GITHUB_TOKEN }}