chore: Auto build docs if only src/docs is changed

.github/workflows/lint.yml

@@ -19,6 +19,16 @@ jobs:
         node-version: [16.x]
     steps:
       - uses: actions/checkout@v3
+        if: ${{ github.event_name == 'pull_request' }}
+        with:
+          fetch-depth: 2
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
+          ref: ${{ github.event.pull_request.head.ref }}
+
+      - uses: actions/checkout@v3
+        if: ${{ github.event_name != 'pull_request' }}
+        with:
+          fetch-depth: 2
 
       - name: Setup Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v3
@@ -38,5 +48,27 @@ jobs:
       - name: Run Linting
         run: yarn lint
 
+      - name: Run changed-files using the fork point of a pull request
+        id: changed-files-fork-point
+        uses: tj-actions/changed-files@v29
+        with:
+          use_fork_point: 'true'
+          files: |
+            src/docs/*
+
+      - name: Run step if any file(s) in the docs folder change
+        if: steps.changed-files-fork-point.outputs.only_modified == 'true'
+        run: |
+          echo "Only files in the src/docs folder has changed."
+          echo "List all the files that have changed: ${{ steps.changed-files-specific.outputs.all_changed_files }}"
+          yarn docs:build
+
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
+        if: steps.changed-files-fork-point.outputs.only_modified == 'true'
+        with:
+          message: 'Update docs'
+          add: 'docs/*'
+
       - name: Verify Docs
         run: yarn docs:verify