[README] Add badge & lint

README.md

@@ -1,16 +1,17 @@
 # GAPI Addons
 
------
+A repo with a list of additional packages to improve GAPI features :
 
-A repo with a list of additional packages to improve GAPI features
+| Description                | Doc                                                                                                                                                             |
+|----------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Auth middleware for GCloud | [![PkgGoDev](https://pkg.go.dev/badge/github.com/mwm-io/gapi-addons/middleware/auth)](https://pkg.go.dev/github.com/mwm-io/gapi-addons/middleware/auth) |
 
-## How it works
 
------
+## How it works
 
 First choose your package(s) and add it using go modules, here is an example for [auth.GCloudServiceAccount](https://pkg.go.dev/github.com/mwm-io/gapi-addons/gcloud/middleware/auth#GCloudServiceAccount): 
 ```sh
-$ get get github.com/mwm-io/gapi-addons/gcloud/middleware/auth@latest
+$ go get github.com/mwm-io/gapi-addons/gcloud/middleware/auth@latest
 ```
 
 The use it in you code:
@@ -27,6 +28,7 @@ type myHandler struct {
     handler.WithMiddlewares
 }
 
+// NewHandler is your handler factory
 func NewHandler() handler.Handler {
     var h myHandler