修改接口的状态，增加"设计中","开发中"， 删除"未开始"

server/models/interface.js

@@ -15,7 +15,7 @@ class interfaceModel extends baseModel {
       project_id: { type: Number, required: true },
       catid: { type: Number, required: true },
       edit_uid: { type: Number, default: 0 },
-      status: { type: String, enum: ['undone', 'done'], default: 'undone' },
+      status: { type: String, enum: ['designing','coding', 'done'], default: 'designing' },
       desc: String,
       markdown: String,
       add_time: Number,
@@ -357,4 +357,4 @@ class interfaceModel extends baseModel {
   }
 }
 
-module.exports = interfaceModel
+module.exports = interfaceModel