store joined servers on auth server

auth/migrations/20240725215330_create_everything.sql

@@ -5,6 +5,7 @@ CREATE TABLE IF NOT EXISTS user (
                 email VARCHAR(255) NOT NULL,
                 new_email VARCHAR(255),
                 avatar TEXT NOT NULL,
+                servers TEXT NOT NULL,
                 login_code INT(6),
                 tokens TEXT,
                 google_oauth VARCHAR(255),