------------------
- Updated README.
- Added webtoons to the enum and the cli.
- Fixed naming problem.
- Fetchers can now ask the downloader to add stuff in the header when downloading the images like referrers.
- Added a fetcher for https://webtoons.com for french and english.
- Simplified mangadex fetcher.
- Updated gitignore for wheel building.
- Updated installation guide.
- Added a collapse template.
- Fixed image urls.
- Fixed standalone check.