Add deploy workflow (#12)

.github/workflows/deploy.yml

@@ -0,0 +1,65 @@
+name: Deploy
+
+on:
+  push:
+    branches: ["main"]
+
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    environment: github-pages
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        run: npm install -g pnpm
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: pnpm
+
+      - name: Restore cache
+        uses: actions/cache@v4
+        with:
+          path: ~/.pnpm-store
+          key: ${{ runner.os }}-vite-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: ${{ runner.os }}-vite-
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Build with Vite
+        env:
+          VITE_SPOTIFY_CLIENT_ID: ${{ secrets.VITE_SPOTIFY_CLIENT_ID }}
+          VITE_REDIRECT_URI: ${{ secrets.VITE_REDIRECT_URI }}
+        run: pnpm run build
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./dist
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:  
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4