feat: add ci

.github/workflows/ci.yaml

@@ -0,0 +1,18 @@
+name: Test
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: [ '1.19', '1.20', '1.21.x' ]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Run tests
+        run: go test -v .