ci: add basic CI

Author: blurrycat

.github/workflows/build.yml

@@ -0,0 +1,39 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        zig-version: ["0.14.0"]
+        os:
+          - ubuntu-latest
+          # - macos-latest # Does not build yet
+          # - windows-latest # Does not pass tests
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Zig
+        uses: mlugg/setup-zig@v1
+        with:
+          version: ${{ matrix.zig-version }}
+
+      - name: Check Formatting
+        run: zig fmt --ast-check --check .
+
+      - name: Build
+        run: zig build --summary all
+
+      - name: Test
+        run: zig build test --summary all