fix: wrong role 'guest' instead of 'user' defaulting in schema

sqlc/schema.sql

@@ -24,7 +24,7 @@ CREATE TABLE IF NOT EXISTS "users" (
   username VARCHAR(20) UNIQUE NOT NULL,
   verified BOOLEAN DEFAULT FALSE,
   registration_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-  role INTEGER NOT NULL DEFAULT 0,
+  role INTEGER NOT NULL DEFAULT 1, -- enum user
   deleted BOOLEAN DEFAULT FALSE
 );