[ci skip]Add origin identification to user model

src/libs/models/user.js

@@ -61,6 +61,11 @@ var UserSchema = new Schema({
     createdAt: {
         type: Date,
         default: Date.now
+    },
+    origin: {
+        type: String,
+        enum: ['LDE', 'SimCAQ'],
+        required: true
     }
 });