chore: Update russian.yaml (#1198)

## Summary

Translation added russian.yaml

## Additional Context 

* Add any other information that might be helpful for the reviewer
(e.g., performance implications, potential risks,
  specific areas to focus on).

---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _**< YES | PARTIALLY | NO
>**_
NO

lib/I18n/translations/russian.yaml

@@ -235,6 +235,8 @@ STR_DOWNLOAD: "Скачать"
 STR_RETRY: "Повторить"
 STR_YES: "Да"
 STR_NO: "Нет"
+STR_SHOW: "Показать"
+STR_HIDE: "Скрыть"
 STR_STATE_ON: "ВКЛ"
 STR_STATE_OFF: "ВЫКЛ"
 STR_SET: "Установлено"
@@ -249,6 +251,20 @@ STR_OK_BUTTON: "OK"
 STR_ON_MARKER: "[ВКЛ]"
 STR_SLEEP_COVER_FILTER: "Фильтр экрана сна"
 STR_FILTER_CONTRAST: "Контраст"
+STR_CUSTOMISE_STATUS_BAR: "Настройка строки состояния"
+STR_CHAPTER_PAGE_COUNT: "Количество страниц главы"
+STR_BOOK_PROGRESS_PERCENTAGE: "% прочтения книги"
+STR_PROGRESS_BAR: "Полоса прогресса"
+STR_PROGRESS_BAR_THICKNESS: "Толщина индикатора прогресса"
+STR_PROGRESS_BAR_THIN: "Тонкий"
+STR_PROGRESS_BAR_MEDIUM: "Средний"
+STR_PROGRESS_BAR_THICK: "Толстый"
+STR_BOOK: "Книга"
+STR_CHAPTER: "Глава"
+STR_EXAMPLE_BOOK: "Название книги"
+STR_PREVIEW: "Предпросмотр"
+STR_TITLE: "Заглавие"
+STR_BATTERY: "Батарея"
 STR_UI_THEME: "Тема интерфейса"
 STR_THEME_CLASSIC: "Классическая"
 STR_THEME_LYRA: "Lyra"
@@ -282,6 +298,7 @@ STR_GO_HOME_BUTTON: "На главную"
 STR_SYNC_PROGRESS: "Синхронизировать прогресс"
 STR_DELETE_CACHE: "Удалить кэш книги"
 STR_CHAPTER_PREFIX: "Глава:"
+STR_DISPLAY_QR: "Показать страницу в виде QR-кода"
 STR_PAGES_SEPARATOR: "стр.  |"
 STR_BOOK_PREFIX: "Книга:"
 STR_KBD_SHIFT: "shift"