feat: add ci

.github/workflows/ci.yaml

@@ -0,0 +1,28 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: goto-bus-stop/setup-zig@v2
+      - run: zig fmt --check *.zig
+
+  test:
+    needs: lint
+    strategy:
+      matrix: 
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{matrix.os}}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: goto-bus-stop/setup-zig@v2
+      - run: zig build test