ci: add workflow for running tests on push/PR

.github/workflows/run-tests.yml

@@ -0,0 +1,24 @@
+name: Zig Tests
+
+on:
+  push:
+    branches:
+      - main # Change this to your branch name if needed
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Install Zig
+        run: |
+          curl -LO https://ziglang.org/download/0.13.0/zig-linux-x86_64-0.13.0.tar.xz
+          tar -xf zig-linux-x86_64-0.13.0.tar.xz
+          mv zig-linux-x86_64-0.13.0 zig
+
+      - name: Run Zig tests
+        run: ./zig/zig build test