Add test workflow

.github/workflows/test.yml

@@ -0,0 +1,20 @@
+name: Test
+
+on:
+  - pull_request
+  - push
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set Up V
+        uses: vlang/setup-v@v1.1
+        with:
+          check-latest: true
+
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - name: Test
+        run: v test ./