Add workflow

Author: davidgranstrom

.github/workflows/unit-tests.yml

@@ -0,0 +1,19 @@
+name: Unit Tests
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  unit-test:
+    runs-on: ubuntu-latest
+    name: Build and Test
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mlugg/setup-zig@v1
+        with:
+          version: master
+      - run: zig build test --summary all