Setup CI for build and test

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/[email protected]
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Run tests
+        run: bun test
+
+      - name: Build
+        run: bun run tsc