feat: implement voice dictation and added advanced level concepts through a new case study of solving murder mystery

[DishiGpt]

Summary

This pull request introduces voice dictation support and enhances the adaptive learning experience.

Changes Implemented

• Added a Voice Dictation button to enable speech-to-text input.
• Integrated the dictation component into the client application.
• Enhanced the learning engine to improve scenario handling and response generation.
• Updated scenario routes and data management for better functionality.
• Added a new case file (rosewoodManorCase.js) and updated the application data store.
• Updated project dependencies and package lock files.

Files Modified

• client/src/DictationButton.jsx (new)
• client/src/main.jsx
• client/src/styles.css
• server/src/routes/scenarios.js
• server/src/services/learningEngine.js
• server/src/data/store.js
• server/src/data/db.json
• server/rosewoodManorCase.js (new)
• Dependency updates (package.json and lock files)

Testing

• Verified voice dictation functionality.
• Tested the updated learning engine and scenario flow.
• Confirmed the application builds and runs successfully after the changes.

Thank you for reviewing this contribution!