ci: add reusable workflow actions

.github/workflows/build.yml

@@ -0,0 +1,24 @@
+
+name: Build App
+
+on:
+  workflow_call
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: 'npm'
+
+      - name: Install Dependencies
+        run: npm ci
+      - name: Run all checks
+        run: npm run check
+      - name: Run Tests
+        run: npm test
+      - name: Build for Production
+        run: npm run build:prod

.github/workflows/labels.yml

@@ -0,0 +1,35 @@
+name: Check labels
+
+on:
+    workflow_call:
+
+env:
+  GH_TOKEN: ${{ github.token }}
+
+jobs:
+    check_labels:
+        runs-on: ubuntu-latest
+        steps:
+          - name: 'Check for required labels'
+            if: >
+                contains(github.event.pull_request.labels.*.name, 'doc required') == false &&
+                contains(github.event.pull_request.labels.*.name, 'doc not required') == false
+            run: echo "missing_label=true" >> "$GITHUB_ENV"
+
+          - name: 'Notify user if label is missing'
+            if: env.missing_label == 'true'
+            run: |
+              URL="${{ github.event.pull_request.html_url }}"
+              COMMENT_TEXT="Required 'doc required' or 'doc not required label"
+              if [[ ! $(gh pr view $URL --json comments --jq '.comments[].body | select(. | contains("'"$COMMENT_TEXT"'"))') ]]; then
+                gh pr comment $URL --body "$COMMENT_TEXT"
+              fi
+
+          - name: 'Fail'
+            uses: actions/github-script@v7
+            if: env.missing_label == 'true'
+            with: 
+              script: core.setFailed('Required "doc required" or "doc not required" label')
+
+
+