create pr gate workflow

.github/workflows/pr.yaml

@@ -0,0 +1,23 @@
+name: PR Gate
+on:
+    pull_request:
+        branches: ['*']
+jobs:
+    build:
+        name: Test & Build
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+            - name: Bun Setup
+              uses: oven-sh/setup-bun@v2
+              with:
+                  bun-version: latest
+            - name: Install
+              run: bun install
+            - name: Test
+              run: bun test
+            - name: Build
+              run: bun run build
+            - name: Prisma Schema Check
+              run: bun prisma:validate