chore(examples): improve logging and how to use (zitadel#266)

README.md

@@ -45,7 +45,7 @@ Check the `/example` folder where example code for different scenarios is locate
 # start oidc op server
 # oidc discovery http://localhost:9998/.well-known/openid-configuration
 go run github.com/zitadel/oidc/example/server
-# start oidc web client
+# start oidc web client (in a new terminal)
 CLIENT_ID=web CLIENT_SECRET=secret ISSUER=http://localhost:9998 SCOPES="openid profile" PORT=9999 go run github.com/zitadel/oidc/example/client/app
 ```
 

example/client/app/app.go

@@ -93,5 +93,6 @@ func main() {
 
 	lis := fmt.Sprintf("127.0.0.1:%s", port)
 	logrus.Infof("listening on http://%s/", lis)
+	logrus.Info("press ctrl+c to stop")
 	logrus.Fatal(http.ListenAndServe(lis, nil))
 }

example/server/main.go

@@ -24,6 +24,8 @@ func main() {
 		Addr:    ":" + port,
 		Handler: router,
 	}
+	log.Printf("server listening on http://localhost:%s/", port)
+	log.Println("press ctrl+c to stop")
 	err := server.ListenAndServe()
 	if err != nil {
 		log.Fatal(err)