Migrate to String::new()

src/pages/writing.rs

@@ -65,11 +65,11 @@ impl WritingState {
         let mut list = set.list();
         list.shuffle(&mut rand::rng());
         WritingState {
-            kana: "".to_string(),
+            kana: String::new(),
             set: list.clone(),
             original_set: list,
-            kana_total: "".to_string(),
-            roman_total: "".to_string(),
+            kana_total: String::new(),
+            roman_total: String::new(),
             next_text: "Дальше".to_string(),
             show_all: false,
         }
@@ -79,9 +79,9 @@ impl WritingState {
 impl WritingState {
     fn next(&mut self) {
         if self.set.is_empty() {
-            self.kana = "".to_string();
-            self.roman_total = "".to_string();
-            self.kana_total = "".to_string();
+            self.kana = String::new();
+            self.roman_total = String::new();
+            self.kana_total = String::new();
 
             self.set = self.original_set.clone();
             self.set.shuffle(&mut rand::rng());