MAPG-115 add users table

database/migrations/structure/20200606_2352_users.sql

@@ -0,0 +1,8 @@
+CREATE TABLE `users` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `email` varchar(100) NOT NULL,
+  `password` varchar(60) NOT NULL,
+  `type` enum('user', 'admin') NOT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `email` (`email`)
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;