chore: add CI

Author: ryuapp

.github/workflows/ci.yml

@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Deno
+        uses: denoland/setup-deno@v2
+
+      - name: Format Check
+        run: deno fmt --check
+
+      - name: Lint
+        run: deno lint
+
+      - name: Type Check
+        run: deno check src
+
+      - name: Run Tests
+        run: deno task test