docs(context): Added deprecation comments to BindWith (#3880)

* fix(engine): fix unit test

* fix(engine): fix unit test

auth.go

@@ -91,6 +91,7 @@ func authorizationHeader(user, password string) string {
 	return "Basic " + base64.StdEncoding.EncodeToString(bytesconv.StringToBytes(base))
 }
 
+// BasicAuthForProxy returns a Basic HTTP Proxy-Authorization middleware.
 func BasicAuthForProxy(accounts Accounts, realm string) HandlerFunc {
 	if realm == "" {
 		realm = "Proxy Authorization Required"

context_test.go

@@ -1044,7 +1044,7 @@ func TestContextRenderAndEscapeAttachment(t *testing.T) {
 	c.FileAttachment("./gin.go", maliciousFilename)
 
 	assert.Equal(t, 200, w.Code)
-	assert.Contains(t, w.Body.String(), "func New() *Engine {")
+	assert.Contains(t, w.Body.String(), "func New(opts ...OptionFunc) *Engine {")
 	assert.Equal(t, fmt.Sprintf("attachment; filename=\"%s\"", actualEscapedResponseFilename), w.Header().Get("Content-Disposition"))
 }
 

deprecated.go

@@ -12,6 +12,8 @@ import (
 
 // BindWith binds the passed struct pointer using the specified binding engine.
 // See the binding package.
+//
+// Deprecated: Use MustBindWith or ShouldBindWith.
 func (c *Context) BindWith(obj any, b binding.Binding) error {
 	log.Println(`BindWith(\"any, binding.Binding\") error is going to
 	be deprecated, please check issue #662 and either use MustBindWith() if you