Adding workflow to deploy to gh-pages

.github/workflows/deploy-app.yml

@@ -0,0 +1,41 @@
+name: Deploy Shiny App to GitHub Pages
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.12.6"
+
+      - name: Install dependencies
+        run: |
+          python -m venv pyenv
+          source pyenv/bin/activate
+          pip install -r requirements.txt
+
+      - name: Build static Shiny app
+        run: |
+          source pyenv/bin/activate
+          shiny static-assets remove
+          shinylive export app docs
+
+      - name: Deploy to GitHub Pages
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs
+          publish_branch: gh-pages
+          allow_empty_commit: true