Rvc-python

1. Fix 30

Thanks Daniel-Aaron-Bloom

Added
- New endpoint `/set_models_dir` to change model directory via API
- Optional model preloading at API server startup

Changed
- Removed the requirement of mandatory model loading at API startup
- Changed logic of working with models in API mode

Fixed
- Added check for the presence of a loaded model before converting to API

What's Changed
* Add ability to override models_dir by Cohee1207 in https://github.com/daswer123/rvc-python/pull/21

**Full Changelog**: https://github.com/daswer123/rvc-python/compare/0.1.2...0.1.3

What's Changed
* Fix tempfile usage on Windows by Cohee1207 in https://github.com/daswer123/rvc-python/pull/19
* Fix set_device request model by Cohee1207 in https://github.com/daswer123/rvc-python/pull/20


**Full Changelog**: https://github.com/daswer123/rvc-python/compare/0.1.1...0.1.2

1. Fixes being unable to import the `api` module when running from pip package.
2. Adds missing requirement `python-multipart` for parsing form data with FastAPI.
3. Adds .gitignore entries for default `rvc_models` path and Mac-specific .DS_Store.

Thanks Cohee1207 for the update.

Added
- API server functionality for remote processing
- New endpoints for model management and parameter configuration
- Support for uploading new models via API
- Ability to switch between CPU and GPU processing dynamically
- Comprehensive README with detailed API documentation
- Navigation menu in README for easier access to information

Changed
- Refactored the main script to support both CLI and API modes
- Improved error handling and logging
- Updated the model loading process for better flexibility
- Reorganized the project structure for cleaner code separation

Deprecated
- Old method of calling the script directly for single file processing (use CLI mode instead)

Removed
- Unnecessary dependencies to reduce package size


Thanks Cohee1207 for inspiring me to take on these changes

1.Fixed the problem with infinite processing when index file is used.
2. Downgraded faiss-cpu version to1.7.3