feat: remove Gin and standardize on nethttp

transport/nethttp/router.go

@@ -1,5 +1,5 @@
-// Package nethttp provides a standard-library router for GoOmni, independent
-// of Gin. Register routes before serving requests.
+// Package nethttp provides GoOmni's standard-library router. Register routes
+// before serving requests.
 package nethttp
 
 import (

transport/nethttp/router_test.go

@@ -10,7 +10,7 @@ import (
 	netrouter "git.yuntuo.hk/k2safe/go-omni/transport/nethttp"
 )
 
-func TestRouterWorksWithoutGin(t *testing.T) {
+func TestRouterWorks(t *testing.T) {
 	router := netrouter.New()
 	app := omni.NewWithRouter(router)
 	app.GET("/users/:id", func(ctx *omni.Context) error {