Room management, User management

server/migrations/20240727041731_create_everything.sql

@@ -24,4 +24,9 @@ CREATE TABLE IF NOT EXISTS message (
                 msg_text TEXT,
                 referencing_id INTEGER,
                 emoji TEXT
+            );
+
+CREATE TABLE IF NOT EXISTS banned (
+                id INTEGER PRIMARY KEY,
+                userid VARCHAR(255) NOT NULL
             );