Lightnovel-crawler

- New sources:
- https://id.mtlnovel.com/
- https://www.shinsori.com/
- Fix fanfiction
- Add text_unidecode resource with setup_pyi
- Use win_unicode_console to fix 214

- New sources:
- `www.machine-translation.org`
- `www.fanfiction.net`
- `www.mtlnovel.com`
- `wordexcerpt.com`
- `translateindo.com`
- Fix `https://worldnovel.online`
- [babelnovel] Remove locked chapters from listing
- Convert downloaded cover into png before saving
- Upgrade requirements.txt

- Add new crawler: `https://www.qidian.com/` (chinese)
- Fix 8 crawlers: babelnovel, kisslightnovel, worldnovel.online, novelfull, wuxiacom, gravitytales, tapread, rebirthonline.
- Improvement of console argument parser
- Heroku deployment support
- Add tests for some crawlers
- Minor housekeeping and formatting
- Add boolean field `title_lock` with volume items to not format the volume title with default formatter.
- Add boolean field `title_lock` with chapter items to not format the chapter title with default formatter.
- Add boolean field `body_lock` with chapter items to not format the chapter body with default formatter.

- Fix console-bot issue with novel-url recognition

- Fix chapter range selection
- New source: **novelonlinefull**
- Fix babelnovel, tapread, & webnovelonline
- Display rejected source warning
- Remove cairosvg exception at loading
- Update argument list to console bot
- Add new argument: `list-sources` to list all supported sources
- Minor update to test-bot

- [crawler.py] Add method: is_relative_url
- Add all racovimge templates
- Fix racovimge templates that cause cairosvg to crash
- Fix 4scanlation
- Change html_style loader and minifier
- Update issue templates
- Fix setup_pyi and update version
- Removed yukinovel.id