Create ci.yml

Added a build test CI

.github/workflows/ci.yml

@@ -0,0 +1,24 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches: [main]
+
+  pull_request:
+    branches: [main]
+
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Zig
+        uses: mlugg/setup-zig@v1
+
+      - name: Run `build`
+        run: zig build