skapade registrering, logga in och logga ut. ändrade lite i auth.php

database_schema.sql

@@ -4,5 +4,6 @@ CREATE TABLE users (
     username VARCHAR(50) NOT NULL UNIQUE,
     email VARCHAR(100) NOT NULL UNIQUE,
     password VARCHAR(255) NOT NULL,
+    uniqueid VARCHAR(255) NOT NULL,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
 );