Add starting CI

.github/workflows/simple_ci.yml

@@ -0,0 +1,26 @@
+name: Simple CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v4
+      with:
+        go-version-file: './go.mod'
+
+    - name: Download dependencies
+      run: go mod download
+
+    - name: Run the tests
+      run: go test -v -race ./...
+