add build docs workflow

Author: juleswg23

.github/workflows/build-docs.yml

@@ -0,0 +1,34 @@
+name: Build and Export Shiny App
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build-docs:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.11'
+
+      - name: Install requirements
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Export Shiny app
+        run: shinylive export shiny-app docs/
+
+      - name: Commit and push docs
+        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 "Update exported docs [skip ci]" || echo "No changes to commit"
+          git push