copy npm setup to deploy (#56)

Author: joseph-flinn

.github/workflows/build-n-publish.yml

@@ -108,6 +108,18 @@ jobs:
       - name: Checkout
         uses: actions/[email protected]
 
+      - name: Set up Node
+        uses: actions/[email protected]
+        with:
+          cache: 'npm'
+          cache-dependency-path: 'backend/package-lock.json'
+          node-version: '18'
+
+      - name: Install dependencies
+        run: | 
+          cd backend
+          npm ci
+
       - name: Deploy Backend
         uses: cloudflare/[email protected]
         with: