CI: use GitHub Actions to run tests

.github/workflows/license.yml

@@ -0,0 +1,18 @@
+name: License Checking
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  license:
+    name: License Checking
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Check License Lines
+        uses: kt3k/[email protected]

.github/workflows/test.yml

@@ -0,0 +1,29 @@
+name: Test
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+env:
+  GO_VERSION: "1.21"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ env.GO_VERSION }}
+
+      - uses: actions/checkout@v3
+
+      - name: Test
+        run: go test -v ./...
+
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}