feat(entities.go,parser.go): 添加了对form-data的支持

1.在swaggerOperationObject中添加Consumes参数
2.对请求的tag类型进行判断，添加对应的请求体类型。

generate/entities.go

@@ -137,9 +137,9 @@ type swaggerOperationObject struct {
 	RequestBody *struct {
 		Content swaggerContentObject `json:"content,omitempty"`
 	} `json:"requestBody,omitempty"`
-	Tags       []string `json:"tags,omitempty"`
-	Deprecated bool     `json:"deprecated,omitempty"`
-
+	Tags         []string                            `json:"tags,omitempty"`
+	Deprecated   bool                                `json:"deprecated,omitempty"`
+	Consumes     string                              `json:"consumes,omitempty"`
 	Security     *[]swaggerSecurityRequirementObject `json:"security,omitempty"`
 	ExternalDocs *swaggerExternalDocumentationObject `json:"externalDocs,omitempty"`
 }