init oops

crates/backend/migrations/20240921175315_init.sql

@@ -10,6 +10,7 @@ create table chats (
 
 create table messages (
     id uuid default (gen_random_uuid()) primary key,
+    timestamp timestamptz default (now()),
     chat_id uuid not null references chats(id),
     content varchar(2000) not null,
     from_admin boolean not null