Lightnovel-crawler

- Fortify `discord.py` against sudden crash related to session issues.
- Add source: https://www.wattpad.com/
- Fix source: https://babelnovel.com/
- `[novel_search.py]`: Cleanup and finish progressbar when done.

- Removed `comrademao`, on request of the owner.

- Rename source folder `lncrawl` -> `src`
- [babelnovel] Clean mumbo contents
- [creativenovels] Fix empty body
- [romanticlovebooks] Fix chapter body
- Add source: https://light-novel.online/
- Fix telegram bot cannot show progress
- Make automated bug report from test-bot

- Fix crawler: babelnovel
- Fix crawler: novelall