ci: add CI

.github/workflows/test.yaml

@@ -0,0 +1,24 @@
+name: Tests
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup V
+        run: |
+          wget -qO /tmp/v.zip https://github.com/vlang/v/releases/latest/download/v_linux.zip
+          unzip -q /tmp/v.zip -d /tmp
+          echo /tmp/v >> "$GITHUB_PATH"
+
+      - name: Run tests
+        run: |
+          v -stats test .