Splitting to deck and srs

src/data_provider/card_stats.rs

@@ -1,7 +1,7 @@
-use crate::lang::{CardStatistics, DeckSettings};
 use rusqlite::{Connection, params};
 use std::time::Instant;
 use log::info;
+use crate::core::deck::{CardStatistics, DeckSettings};
 
 pub fn load_stats_of_deck(set: &DeckSettings, connection: &Connection) -> Vec<CardStatistics> {
     let mut stmt = connection