feat: add User data manager & User Database

server/data/User.ts

@@ -0,0 +1,19 @@
+// @ts-types="npm:sequelize"
+import { Sequelize, Op, Model, DataTypes } from 'sequelize'
+
+export default class User extends Model {
+    declare created_id: number 
+    static async initTable(sequelize: Sequelize, name: string) {
+        this.init({
+            created_id: {
+                type: DataTypes.INTEGER.UNSIGNED,
+                autoIncrement: true,
+                primaryKey: true,
+            }
+        }, {
+            sequelize: sequelize,
+            tableName: name,
+        })
+        await this.sync({ alter: true })
+    }
+}