Add CI tests

.github/workflows/go.yml

@@ -0,0 +1,28 @@
+name: Go
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: [ '1.18', '1.19', '1.20', '1.21.x' ]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Go ${{ matrix.go-version }}
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+      # You can test your matrix by printing the current Go version
+      - name: Display Go version
+        run: go version
+      - name: Install dependencies
+        run: |
+          go get .
+      - name: Build
+        run: go build -v ./...
+      - name: Test with the Go CLI
+        run: go test -v ./... | sed ''/PASS/s//$(printf "\033[32mPASS\033[0m")/'' | sed ''/FAIL/s//$(printf "\033[31mFAIL\033[0m")/''