fix(github/workflow): now the workflow seems work

.github/workflows/bun.yml

@@ -1,11 +1,24 @@
-name: my-workflow
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+
+permissions:
+  contents: read
+
 jobs:
-  my-job:
+  build:
-    name: my-job
+    name: Build & Typecheck
     runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout
-      - uses: oven-sh/setup-bun@v2
+        uses: actions/checkout@v4
-      - run: bun install
+      - name: Setup Bun
-      - run: bun index.ts
+        uses: oven-sh/setup-bun@v2
-      - run: bun run build
+      - name: Install dependencies (cached)
+        run: bun install --frozen-lockfile
+      - name: Build
+        run: bun run build