- Implement `NetworkModule` for managing HTTP client with JSON content negotiation.
- Add `kotlinx-serialization-json` and `ktor-client` dependencies for network requests and serialization.
- Implement basic network communication in `Greeting` class to retrieve and display time data from a remote API.
- Add `NetworkResponse` and `TimeResponse` data classes for handling the response from the remote API.
- Refactor the `greet` method in `Greeting` class to integrate network request.
- Introduce a bottom navigation bar with "Today," "Weekly," and "Settings" tabs for the iOS app.
- Implement a sidebar navigation for the desktop app with Home, Analytics, Reports, and Settings.
- Add Weekly stats with a bar chart and summary for the iOS app.
- Add Settings view with basic settings options for iOS app.
- Add a Progress Ring for displaying "Today" stats in iOS app.
- Add app usage data list to "Today" tab in iOS app.
- Implement dark theme toggle for desktop app.
- Implement collapsible sidebar in desktop app.
- Refine UI of navigation items for desktop app.
- Add basic placeholders for the desktop app UI.
