show info, if scheckbuch is not yet paid

src/tera/planned.rs

@@ -13,7 +13,7 @@ use crate::model::{
     logbook::Logbook,
     tripdetails::TripDetails,
     triptype::TripType,
-    user::{AllowedForPlannedTripsUser, User, UserWithDetails},
+    user::{AllowedForPlannedTripsUser, User, UserWithDetails, SCHECKBUCH},
     usertrip::{UserTrip, UserTripDeleteError, UserTripError},
 };
 
@@ -46,6 +46,7 @@ async fn index(
     context.insert("fee", &user.fee(db).await);
     context.insert("loggedin_user", &UserWithDetails::from_user(user, db).await);
     context.insert("days", &days);
+    context.insert("costs_scheckbuch", &SCHECKBUCH);
     Template::render("planned", context.into_json())
 }