Added new workflow

.github/workflows/prisma-migrations.yml

@@ -0,0 +1,35 @@
+name: Prisma Migrations
+
+on:
+  push:
+    paths:
+      - 'backend/prisma/**'
+  pull_request:
+    paths:
+      - 'backend/prisma/**'
+
+jobs:
+  run-migrations:
+    name: Run Prisma Migrations
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: |
+          cd backend
+          npm ci
+
+      - name: Run Prisma Migrations
+        env:
+          DATABASE_URL: "postgresql://${{ secrets.DB_USER }}:${{ secrets.DB_PASSWORD }}@nr-nmp-database-${{ github.event.number }}:${{ secrets.DB_PORT }}/${{ secrets.DB_NAME }}?schema=public"
+        run: |
+          cd backend
+          npx prisma migrate deploy