add some badges

.github/workflows/go.yml

@@ -0,0 +1,25 @@
+# This workflow will test a golang project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
+
+name: Go
+
+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: '1.22'
+
+    - name: Test
+      run: go test -v ./...

README.md

@@ -1,5 +1,9 @@
 ## structexplorer
 
+[![Go](https://github.com/emicklei/structexplorer/actions/workflows/go.yml/badge.svg)](https://github.com/emicklei/structexplorer/actions/workflows/go.yml)
+[![GoDoc](https://pkg.go.dev/badge/github.com/emicklei/structexplorer)](https://pkg.go.dev/github.com/emicklei/structexplorer)
+[![codecov](https://codecov.io/gh/emicklei/structexplorer/branch/master/graph/badge.svg)](https://codecov.io/gh/emicklei/structexplorer)
+
 A Go Struct Explorer Service that offers a remote (HTTP) inspection of any Go struct.
 
 ## usage