fix(git): add vendor in .gitignore

vendor/github.com/gin-gonic/gin/binding/uri.go

@@ -1,18 +0,0 @@
-// Copyright 2018 Gin Core Team.  All rights reserved.
-// Use of this source code is governed by a MIT style
-// license that can be found in the LICENSE file.
-
-package binding
-
-type uriBinding struct{}
-
-func (uriBinding) Name() string {
-	return "uri"
-}
-
-func (uriBinding) BindUri(m map[string][]string, obj interface{}) error {
-	if err := mapUri(obj, m); err != nil {
-		return err
-	}
-	return validate(obj)
-}