chore: add CI workflow

Author: RomarQ

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Zig
+        uses: mlugg/setup-zig@v2
+        with:
+          version: 0.14.1
+      
+      - name: Show Zig version
+        run: zig version
+      
+      - name: Build
+        run: zig build
+      
+      - name: Run tests
+        run: zig build test
+      
+      - name: Format check
+        run: zig fmt --check .