feat(vocab-lesson): implement pagination for vocabulary overview in lesson view

- Added pagination functionality to the vocabulary overview in the VocabLessonView component, allowing users to navigate through vocabulary items more efficiently.
- Introduced new localization entries for pagination controls in Cebuano, German, English, Spanish, and French, ensuring a consistent user experience across languages.
- Enhanced the UI with buttons for previous and next navigation, improving accessibility and usability of the vocabulary list.

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

@@ -586,6 +586,9 @@
                 "deepenSectionTitle": "Deepen and review",
                 "assistantSectionTitle": "Deepen with language assistant",
                 "vocabOverviewToggle": "Show full overview of terms",
+                "vocabOverviewPrev": "Previous",
+                "vocabOverviewNext": "Next",
+                "vocabOverviewPager": "{from}–{to} of {total} · Page {page} of {pages}",
                 "vocabTrainerLockedHint": "Please confirm two preparation steps under “Preparation before the vocabulary trainer” first.",
                 "exerciseUnlockHintAfterPrep": "Work through the prepared terms first. The chapter test will unlock afterwards.",
                 "speakingTasks": "Speaking Tasks",