refactor: remove forward auth, move module net/http to net/gphttp

internal/net/gphttp/status_code.go

@@ -0,0 +1,11 @@
+package gphttp
+
+import "net/http"
+
+func IsSuccess(status int) bool {
+	return status >= http.StatusOK && status < http.StatusMultipleChoices
+}
+
+func IsStatusCodeValid(status int) bool {
+	return http.StatusText(status) != ""
+}