feat: update-documentation workflow (#6)

.github/workflows/update-documentation.yml

@@ -0,0 +1,19 @@
+name: Update documentation
+
+on:
+  repository_dispatch
+jobs:
+  build:
+    name: Update documentation
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+      - name: Update submodule
+        run: git submodule update --recursive --remote ${{ github.event.repository.full_name }}
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
+        with:
+          message: 'chore: update docs for ${{ github.event.repository.full_name }} to ${{github.event.client_payload.ref}}'
+          default_author: ReVanced