feat: add support for new fields in user table

queries/users.sql

@@ -3,9 +3,9 @@ SELECT * FROM users;
 
 -- name: InsertUser :one
 INSERT INTO users (
-    email, full_name, password_hash, is_admin
+    email, full_name, password_hash, is_admin, created_by
 ) VALUES (
-    $1, $2, $3, $4
+    $1, $2, $3, $4, $5
 )
 RETURNING id;