apply new style

src/app.rs

@@ -1,5 +1,6 @@
 use crate::data::repositories::Repository;
 use crate::data_provider::card_states::CardStateRepository;
+use crate::data_provider::custom_fields::CustomFieldRepository;
 use crate::data_provider::decks::DeckRepository;
 use crate::data_provider::history::HistoryRepository;
 use crate::data_provider::settings::get_setting;
@@ -17,7 +18,6 @@ use log::info;
 use parking_lot::{Mutex, RwLock};
 use rusqlite::Connection;
 use std::sync::Arc;
-use crate::data_provider::custom_fields::CustomFieldRepository;
 
 pub const USER_FONT: Font = Font::with_name("Noto Sans JP");