More notifications and move start code to another file

src/lang.rs

@@ -1,7 +1,7 @@
 use crate::data_provider::card_stats::load_stats_of_deck;
 use crate::data_provider::card_stats::update_stat_score;
 use crate::data_provider::history::{push_note, HistoryItem};
-use crate::AppState;
+use crate::app::AppState;
 use chrono::{DateTime, Utc};
 use parking_lot::Mutex;
 use rand::distr::weighted::WeightedIndex;