feat(bisaya-course): restructure core patterns and enhance vocabulary preparation

- Updated core patterns in various scripts to use an object format with target phrases and glosses, improving clarity and usability for learners.
- Enhanced the VocabService to normalize core pattern entries, ensuring consistent handling of vocabulary data.
- Introduced new vocabulary preparation steps in the VocabLessonView, guiding users through active review processes before engaging with the vocabulary trainer.
- Added localization support for new vocabulary preparation hints and instructions in multiple languages, enhancing user experience across the application.

backend/scripts/create-bisaya-course.js

@@ -26,24 +26,24 @@ const LESSON_DIDACTICS = {
       'Eine kurze Abend- und Schlafensroutine im Familienalltag sprechen.'
     ],
     corePatterns: [
-      'Kumusta ka?',
-      'Maayong buntag.',
-      'Maayong adlaw.',
-      'Maayong gabii.',
-      'Maayong gabii, matulog na ta.',
-      'Katulog og maayo.',
-      'Kapoy na ka?',
-      'Matulog na ta.',
-      'Inom sa og tubig.',
-      'Patya ang suga.',
-      'Tabuni ang imong kaugalingon.',
-      'Ugma nasad.',
-      'Damgo og nindot.',
-      'Amping.',
-      'Babay.',
-      'Maayo ko.',
-      'Salamat.',
-      'Palihug.'
+      { target: 'Kumusta ka?', gloss: 'Wie geht es dir?' },
+      { target: 'Maayong buntag.', gloss: 'Guten Morgen.' },
+      { target: 'Maayong adlaw.', gloss: 'Guten Tag.' },
+      { target: 'Maayong gabii.', gloss: 'Guten Abend.' },
+      { target: 'Maayong gabii, matulog na ta.', gloss: 'Guten Abend, wir legen uns schlafen.' },
+      { target: 'Katulog og maayo.', gloss: 'Schlaf gut.' },
+      { target: 'Kapoy na ka?', gloss: 'Bist du müde?' },
+      { target: 'Matulog na ta.', gloss: 'Lass uns schlafen gehen.' },
+      { target: 'Inom sa og tubig.', gloss: 'Trink Wasser.' },
+      { target: 'Patya ang suga.', gloss: 'Mach das Licht aus.' },
+      { target: 'Tabuni ang imong kaugalingon.', gloss: 'Deck dich zu.' },
+      { target: 'Ugma nasad.', gloss: 'Bis morgen wieder.' },
+      { target: 'Damgo og nindot.', gloss: 'Träum schön.' },
+      { target: 'Amping.', gloss: 'Pass auf dich auf.' },
+      { target: 'Babay.', gloss: 'Tschüss.' },
+      { target: 'Maayo ko.', gloss: 'Mir geht es gut.' },
+      { target: 'Salamat.', gloss: 'Danke.' },
+      { target: 'Palihug.', gloss: 'Bitte.' }
     ],
     grammarFocus: [
       {