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/ceb/socialnetwork.json

@@ -567,6 +567,9 @@
                 "exerciseReinforcementStay": "Stay sa ang test",
                 "exerciseReinforcementGoPracticeAck": "Read, go aron praktis",
                 "exerciseReinforcementStayAck": "Read, stay sa ang test",
+                "exerciseExamFailedTitle": "Wala naabot ang minimum nga score",
+                "exerciseExamFailedBody": "Naayo ka ug {score}% (kinahanglan: {target}%). Padayon pag-praktis sa learning section. Human sa {count} pa nga trainer questions ma-unlock na usab ang chapter test — sugdan nimo pag-usab ang tanan nga pangutana gikan sa sinugdanan.",
+                "exerciseExamFailedOk": "Okay",
                 "exerciseStatusOpen": "Ablihi",
                 "exerciseStatusCorrect": "Done",
                 "exerciseStatusRetry": "Try again",