[CI] Create update-docs.yml

Author: johmedr

.github/workflows/update-docs.yml

@@ -0,0 +1,46 @@
+name: Update Docs
+
+on:
+  workflow_dispatch: 
+  push:
+    paths:
+      - 'mpython/**'
+      - '.github/workflows/update-docs.yml'
+
+jobs:
+  build-docs:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      with:
+        persist-credentials: false
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.x'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pdoc3
+
+    - name: Generate docs
+      run: |
+        rm -rf docs
+        mkdir -p docs
+        pdoc3 --html mpython --output-dir docs --force
+        mv docs/mpython/* docs/
+        rmdir docs/mpython
+
+    - name: Commit and push changes
+      run: |
+        git config --global user.name 'github-actions[bot]'
+        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
+        git add docs
+        git commit -m "[Doc] Regenerate" || echo "No changes to commit"
+        git push
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}