chore(ci): add bun action

.github/workflows/bun.yml

@@ -0,0 +1,20 @@
+name: bun CI
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main, develop ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: oven-sh/setup-bun@v1
+      with:
+        bun-version: latest
+    - run: bun install --frozen-lockfile
+    - run: bun build --if-present