Merge pull request #108 from AxessLab/develop

Merge with master

New features:

- Removed Base CSS and replaced it with Material UI
- Added improved guidance when incorrect letter has been typed
- Add content from mockup and improved flow thorugh application

New features:

- Switched to new server for handling audio files and tts
- Added Material UI library for styling
- Improved navigation and sound feedback across views
- Improved performance for audio feedback when typing

- Improved user flow between different components

- Added multiple input fields used for testing
- Fixed audio errors

Release v0.2.0

New features
- Exploration mode to practice typing without right or wrong
- Multiple input methods was generated to be tested
- Improved sound handling using Google Text-to-Speech and WebSpeech API