message: set DEFAULT value to false for activate field in DDL
diff: @@ -15,8 +15,8 @@ You need to store user management data in some table we use this table structure
  CREATE TABLE IF NOT EXISTS "user" (
  id uuid NOT NULL DEFAULT gen_random_uuid() PRIMARY KEY,
  username text NOT NULL UNIQUE,
  - password text COLLATE pg_catalog."default" NOT NULL,
  - active boolean NOT NULL,
  + password text NOT NULL,
  + active boolean NOT NULL DEFAULT false,
  activation_token uuid NOT NULL,
  created_at timestamp with time zone NOT NULL DEFAULT now()
  );
  