rename data provider file names

src/core/deck.rs

@@ -5,7 +5,7 @@ use crate::core::srs::{
     WordOpenMode, WorstWordsSRSModule,
 };
 use crate::data::entities::*;
-use crate::data_provider::card_stats::{load_stats_of_deck, update_stat_score};
+use crate::data_provider::card_states::{load_stats_of_deck, update_stat_score};
 use crate::data_provider::history::push_note;
 use crate::notification::{MaybeError, NotificationData};
 use chrono::Utc;
@@ -42,7 +42,7 @@ impl DeckData {
             .map(|index| &state_locked.dictionary[index])
             .cloned()
             .collect();
-        
+
         Ok(Self {
             set: stats,
             words,
@@ -62,7 +62,7 @@ impl DeckData {
                 }
                 module.next(self.set.as_slice())
             }
-            
+
             RandomSRS(ref mut module) => {
                 if !module.initialized {
                     module.init(self.set.as_slice())