Splitting to deck and srs

src/data_provider/card_sets.rs

@@ -1,6 +1,7 @@
-use crate::lang::{DeckSettings, OrderMode};
+use crate::core::srs::{ OrderMode};
 
 use rusqlite::Connection;
+use crate::core::deck::DeckSettings;
 
 pub fn load_sets(connection: &Connection) -> Vec<DeckSettings> {
     let mut stmt = connection