Markdown-checker

- Change Broken URLs flagging to always try head and get request on any URL before flagging it as broken.

- Fix command line list[str] type issue and use Click.IntRange for retries and timeout.

- Redesign the package.
- Port to using Click instead of arg_parser.
- Expose options for external users to allow for more customization.
- Increase coverage for paths by including paths that start with `/` or nothing.
- Add retires for URLs before flagging them as broken.
- Preform head request on URL which falls back to get if both not working flag as broken after retries count finishes.
- Analyze all web URLs except the ones in skip_domains list.
- Change Syntax of terminal comments to improve readability.
- Add Spinner to indicate that the tool is working (Not compatible with all terminals)
- Add documentation for the new features.
- Use multiprocessing for checking broken urls reducing the execution time by 50%.
- Add support for GitHub automatic annotations.

- Increase timeout for requests to check web urls alive or not. https://github.com/john0isaac/markdown-checker/pull/52

- Improve Dev Experience. https://github.com/john0isaac/markdown-checker/pull/28
- Better Typing. https://github.com/john0isaac/markdown-checker/pull/37
- Add ruff, black, mypy and workflows to check them on all supported python versions.
- Add pre-commit.
- Change packaging strategy to setuptools with pyproject.toml.
- Add docs in read the docs https://markdown-checker.readthedocs.io/en/latest/

- Change lessons to files
- Remove ID's from the end of Relative Paths