fix: add deployment file

Author: nutchy

.github/workflows/deploy.yaml

@@ -0,0 +1,29 @@
+name: Deploy to Vercel
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: 'npm'
+      
+      - name: Install dependencies
+        run: npm install
+      
+      - name: Deploy to Vercel
+        uses: amondnet/vercel-action@v25
+        with:
+          vercel-token: ${{ secrets.VERCEL_TOKEN }}
+          vercel-org-id: ${{ secrets.VERCEL_ORG_ID }}
+          vercel-project-id: ${{ secrets.VERCEL_PROJECT_ID }}
+          vercel-args: '--prod'