Add workflow to build metadata and create PR.

.github/workflows/build-metadata.yaml

@@ -0,0 +1,72 @@
+name: Build Metadata and Create PR
+
+on:
+  workflow_dispatch:  # Allows the workflow to be triggered manually
+
+jobs:
+  run-script-and-create-pr:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Step 1: Checkout the repository
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      # Step 2: Set up Python
+      - name: Set up Python 3.x
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+
+      # Step 3: Install dependencies (if any)
+      - name: Install dependencies
+        run: |
+          pip install -r requirements.txt
+
+      # Step 4: Run the Python script
+      - name: Run metadata generator script
+        run: |
+          python scripts/metadata-generator.py
+
+      # Step 5: Checkout the second repository to create the PR
+      - name: Checkout target repository
+        uses: actions/checkout@v3
+        with:
+          repository: Chrystinne/pr-metadata-generator
+          path: pr-repo
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      # Step 6: Copy the datasets folder to the target repo
+      - name: Copy datasets to target repo
+        run: |
+          cp -r datasets pr-repo/
+
+      # Step 7: Create a new branch in the target repo
+      - name: Create new branch
+        run: |
+          cd pr-repo
+          git checkout -b metadata-update-branch
+
+      # Step 8: Commit changes
+      - name: Commit changes
+        run: |
+          cd pr-repo
+          git add datasets
+          git commit -m "Add datasets from metadata generator"
+
+      # Step 9: Push the new branch
+      - name: Push changes
+        run: |
+          cd pr-repo
+          git push origin metadata-update-branch
+
+      # Step 10: Create a pull request
+      - name: Create pull request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          commit-message: "Add datasets from metadata generator"
+          branch: metadata-update-branch
+          base: main
+          title: "Metadata update from Python script"
+          body: "This PR contains the datasets folder generated by the metadata-generator script."