[Code health] Improve directory structure as per clean architechture

[shobhitagarwal1612]

• [ ] Create a new presentation layer to contain all screen and ui related classes
• [ ] Move usecases to domain package
• [ ] Within each screen, use components subpackage for storing various composables

Final structure:

• common ✅
• data ✅
• • local ✅
• • remote ✅
• • repository
• di (for storing app level modules only)
• domain
• • model
• • repository
• • use_case
• presentation
• • home
• • settings
• • data collection
• • ....
• • ui
• • • theme
• • • • Color
• • • • Theme
• • MainActivity
• • MainViewModel
• Ground Application ✅

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View Models should delegate the business logic for user interactions (e.g. GetSurveys) to domain layer use_cases.