Role added

Author: MH-Rohan-JU

db/init.sql

@@ -15,6 +15,7 @@ CREATE TABLE users (
     password_hash VARCHAR(255) NOT NULL,
     full_name VARCHAR(100) NOT NULL,
     phone VARCHAR(20),
+    role VARCHAR(20) NOT NULL DEFAULT 'user',
     status user_status DEFAULT 'active',
     created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
     updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP