updated table description

server/migrations/2020-02-04-083551_users/up.sql

@@ -1,4 +1,8 @@
--- Your SQL goes here
+-- id: simple id tracking users
+-- username: default name that users have to display
+-- display: used as a non-unique eye candy for users
+-- password: yea
+-- email: used for signing in to the server
 CREATE TABLE IF NOT EXISTS `users` (
 	`id` bigint NOT NULL auto_increment,
 	`username` varchar(255) NOT NULL,