add example code; updated deploy script

src/rest/mod.rs

@@ -12,7 +12,7 @@ struct LoginForm<'r> {
     password: &'r str,
 }
 
-// name, is_admin, is_guest, is_cox
+//  curl -X POST localhost:8000/api/login    -d "name=rower&password=rower"
 #[post("/", data = "<login>")]
 async fn login(login: Form<LoginForm<'_>>, db: &State<SqlitePool>) -> String {
     match User::login(db, login.name, login.password).await {