feat(VocabPracticeDialog): implement SRS session management and enhance UI feedback

- Added support for spaced repetition system (SRS) session management, allowing users to resume practice sessions with due items.
- Introduced new UI elements to display SRS session status, including total due, completed, and remaining items.
- Enhanced localization for SRS-related messages in multiple languages, improving user experience and clarity.
- Updated methods for saving and loading SRS session data to local storage, ensuring persistence across sessions.

frontend/src/i18n/locales/ceb/socialnetwork.json

@@ -791,6 +791,9 @@
                 "wrong": "Sayop.",
                 "acceptable": "Acceptable answers:",
                 "stats": "Stats",
+                "dueToday": "Due karon",
+                "done": "Nahuman",
+                "remaining": "Nahibilin",
                 "success": "Malampuson",
                 "fail": "Fail",
                 "srsRateTitle": "Unsa ka lig-on sa imong pagbati?",
@@ -801,7 +804,9 @@
                 "srsGood": "Maayo",
                 "srsGoodHint": "normal nga iskedyul",
                 "srsEasy": "Sayon",
-                "srsEasyHint": "mas layo nga interval"
+                "srsEasyHint": "mas layo nga interval",
+                "srsFinishedTitle": "Nahuman na karon",
+                "srsFinishedDesc": "Napratik na nimo ang tanang due items sa kini nga round. Kung naay bag-ong due items unya, makapadayon ka dinhi."
             },
             "search": {
                 "open": "Pangita",