Audio recorder and player

The inspiration for UI is whatsapp voice notes.

Architecture: MVVM architecture is used with stacked library.

Folder structure:

1. app - setup code for router and service locator
2. models - data wrapper classes
3. screens
   1. view files - main screen UI
   2. viewmodel files - contains logic or business logic of app
   3. widgets folder - contains individual UI components which make up view. this is done for readability and performance. so that only required components are rebuild.
4. theme - contains styling and dimensions related code
5. utils - helper classes
6. widgets - common widgets used throughout the app