Update 0.4.2

Info update

fix

fix

refactor: streamline WavTokenizer interface and reduce size

- Remove model dependencies, consolidate into model.py

Whisper integration for speaker generation

Added Whisper-based transcription for speaker creation when `transcript` is None (#28).

Release OuteTTS v0.2.0

### Major Changes
- Added support for OuteTTS-0.2-500M model
- Introduced default speaker presets for each supported language
- **Breaking Changes**:
  - Incompatible speaker files from versions <0.2.0
  - Revised interface usage (see README.md)

### New Features
- Added voice cloning guidelines and interface usage in README.md
- Implemented Gradio example playground for OuteTTS-0.2-500M
- Multi-language alignment support
- Enhanced speaker management:
  - Methods: `print_default_speakers()` and `load_default_speaker(name)`
  - JSON format for speaker saving with language info
- Option to load WavTokenizer from custom path (fixes #24)
- Support for multiple interface version initialization

### Improvements
- Restructured library files for better organization
- Added hash verification for WavTokenizer downloads (fixes #3)
- Reworked interface for improved usability
- Made sounddevice optional with better error handling
- Included training data preparation examples

### Error Handling
- Improved validation for audio token detection
- Enhanced error messages for long inputs and EOS cases
- Better library-wide error handling and feedback