feat(bisaya-course): expand 'Haus & Familie' lesson with new vocabulary and exercises

- Added comprehensive learning goals, core patterns, grammar focus, speaking prompts, and practical tasks for the 'Haus & Familie' lesson, enhancing the curriculum for better language acquisition.
- Updated exercise content to include multiple-choice questions and gap-fill tasks related to household vocabulary, improving user engagement and learning outcomes.
- Enhanced localization for the lesson description and vocabulary, ensuring clarity and consistency across the learning platform.

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

@@ -523,6 +523,9 @@
                 "exerciseReinforcementStay": "Seguir en la prueba",
                 "exerciseReinforcementGoPracticeAck": "Leído, ir a practicar",
                 "exerciseReinforcementStayAck": "Leído, seguir en la prueba",
+                "exerciseExamFailedTitle": "No alcanzaste la puntuación mínima",
+                "exerciseExamFailedBody": "Has acertado el {score}% (mínimo: {target}%). Sigue practicando en el área de aprendizaje. Tras {count} preguntas más del entrenador se desbloqueará de nuevo el test del capítulo y repetirás todas las preguntas desde el principio.",
+                "exerciseExamFailedOk": "Entendido",
                 "exerciseStatusOpen": "Pendiente",
                 "exerciseStatusCorrect": "Hecha",
                 "exerciseStatusRetry": "Revisar otra vez",