add blocked user

src/db/database.sql

@@ -28,6 +28,13 @@ CREATE TRIGGER IF NOT EXISTS user_username_update AFTER UPDATE ON user
     END;
 DELIMITER ;
 
+-- blocked user
+CREATE TABLE IF NOT EXISTS blocked_user (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    uuid VARCHAR(255) UNIQUE NOT NULL,
+    comment TINYTEXT
+);
+
 -- team
 CREATE TABLE IF NOT EXISTS team (
     id INT AUTO_INCREMENT PRIMARY KEY,