todo CR todo list

server/routers/todo/model/todo/item.js

@@ -1,6 +1,6 @@
 const { Schema, model } = require('mongoose')
 
-const { TODO_ITEM_MODEL_NAME } = require('../../const')
+const { TODO_ITEM_MODEL_NAME, TODO_AUTH_USER_MODEL_NAME } = require('../../const')
 
 const schema = new Schema({
     title: String,
@@ -9,6 +9,7 @@ const schema = new Schema({
     created: {
         type: Date, default: () => new Date().toISOString(),
     },
+    createdBy: { type: Schema.Types.ObjectId, ref: TODO_AUTH_USER_MODEL_NAME },
 })
 
 schema.set('toJSON', {