feat: add GitHub Actions workflow for running Go tests

.github/workflows/test.yml

@@ -0,0 +1,32 @@
+name: Go Test
+
+on:
+  push:
+    branches:
+      - "**" # run on pushes to any branch in this repository
+  pull_request:
+    branches:
+      - "**" # still run on PRs
+  workflow_dispatch: {} # allow manual runs from the Actions UI
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      # 1. Checkout the PR code
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      # 2. Set up Go
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: "1.26.4"
+
+      - name: Download Go modules
+        run: go mod tidy -v
+
+      # Run tests
+      - name: Run tests
+        run: go test ./... -v