Implement payment methods management and binding functionality

- Added new handlers for managing payment methods, including viewing, binding, and deleting payment methods.
- Introduced new inline keyboard options for payment method management in user interactions.
- Enhanced the YooKassa service to support card binding with minimal payment requirements.
- Updated localization files to include new messages related to payment methods and their management.

locales/en.json

@@ -375,6 +375,20 @@
   "autorenew_enable_button": "Enable auto-renew",
   "autorenew_disable_button": "Disable auto-renew",
   "subscription_autorenew_updated": "Auto-renew settings updated.",
+  "payment_methods_manage_button": "💳 Payment Methods",
+  "payment_methods_title": "💳 <b>Payment Methods</b>",
+  "payment_method_bind_button": "➕ Add card",
+  "payment_method_delete_button": "🗑 Remove",
+  "payment_method_view_button": "ℹ️ Details",
+  "payment_method_none": "You don't have a saved card yet.",
+  "payment_method_bound_success": "✅ Card successfully added.",
+  "payment_method_deleted_success": "✅ Payment method removed.",
+  "payment_method_delete_confirm": "Remove saved payment method?",
+  "payment_method_card_title": "💳 Card {network} ••••{last4}",
+  "payment_method_added_at": "Added: {date}",
+  "payment_method_last_tx": "Last transaction: {date}",
+  "payment_method_tx_history_title": "📜 Transactions history",
+  "payment_method_no_history": "No transactions history.",
   "subscription_tribute_notice": "Paid via Tribute. Renew using your Tribute link.",
   "subscription_tribute_notice_with_link": "Paid via Tribute. Renew: {link}",
   "subscription_autorenew_not_supported_for_tribute": "Auto-renew is handled by Tribute. Manage renewal in the Tribute app/link.",

locales/ru.json

@@ -374,6 +374,20 @@
   "autorenew_enable_button": "Включить автопродление",
   "autorenew_disable_button": "Выключить автопродление",
   "subscription_autorenew_updated": "Настройки автопродления обновлены.",
+  "payment_methods_manage_button": "💳 Способы оплаты",
+  "payment_methods_title": "💳 <b>Способы оплаты</b>",
+  "payment_method_bind_button": "➕ Привязать карту",
+  "payment_method_delete_button": "🗑 Удалить",
+  "payment_method_view_button": "ℹ️ Детали",
+  "payment_method_none": "У вас пока нет сохранённой карты.",
+  "payment_method_bound_success": "✅ Карта успешно привязана.",
+  "payment_method_deleted_success": "✅ Способ оплаты удалён.",
+  "payment_method_delete_confirm": "Удалить сохранённый способ оплаты?",
+  "payment_method_card_title": "💳 Карта {network} ••••{last4}",
+  "payment_method_added_at": "Добавлена: {date}",
+  "payment_method_last_tx": "Последняя операция: {date}",
+  "payment_method_tx_history_title": "📜 История операций",
+  "payment_method_no_history": "История операций отсутствует.",
   "subscription_tribute_notice": "Оплачено через Tribute. Продление делайте по ссылке Tribute.",
   "subscription_tribute_notice_with_link": "Оплачено через Tribute. Продлить: {link}",
   "subscription_autorenew_not_supported_for_tribute": "Автопродление управляется Tribute. Управляйте продлением в приложении/ссылке Tribute.",