feat: update MongoDB connection string in .env file and add initial migration SQL for database setup

.env.mgnt.dev

@@ -9,7 +9,7 @@ APP_ENV=development
 MYSQL_URL="mysql://root:123456@192.168.0.100:3306/box_admin"
 
 # MONGO_URL="mongodb://admin:ZXcv%21%21996@localhost:27017/box_admin?authSource=admin"
-MONGO_URL="mongodb://admin:Fl1%2A29MJe%26jLvj@192.168.0.100:27017/box?authSource=admin"
+MONGO_URL="mongodb://admin:Fl1%2A29MJe%26jLvj@192.168.0.100:27017/box_admin?authSource=admin"
 
 
 # App set to 0.0.0.0 for local LAN access