Create generate README.md action flow

.github/workflows/gen_readme.yml

@@ -0,0 +1,43 @@
+name: Generate README
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+
+jobs:
+  generate-readme:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.9'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pyyaml jinja2
+
+    - name: Run gen_readme.py
+      run: python gen_readme.py
+
+    - name: Configure git
+      run: |
+        git config --global user.name 'github-actions[bot]'
+        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
+
+    - name: Commit and push changes
+      run: |
+        git add README.md
+        git commit -m "Update README.md"
+        git push
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}