Adds a new `ReaderSettings` type to manage user preferences such as dark mode, font size, line height, font family, and auto-scroll behavior.
Implements dark mode styling for various UI components including the `VoiceSelector` and `QueueItem`, enhancing visual consistency.
Enhances the `ReaderView` component to respect the `autoScroll` setting and introduces basic text styling options based on the new settings.
Sets up the foundational elements for the NewsCaster AI application. This includes:
- Initializing the project with Vite and React.
- Defining core types for articles and player state.
- Configuring build tools and TypeScript.
- Adding essential dependencies like React, Vite, and Google's Gemini API client.
- Providing initial README instructions for running locally.
- Setting up basic styling and structure in index.html.
- Defining available voices and playback constants.
- Implementing utility functions for audio handling.
