Click-extra

- Add support for XML configuration file. Closes {issue}`122`.
- Add strict mode to fail on unrecognized configuration options.
- Support the `NO_COLOR` environment variable convention from
[`no-color.org`](https://no-color.org).
- Recognize a subset of `(FORCE_)(CLI)(NO_)COLOR(S)(_FORCE)` variations as
color-sensitive environment variables.
- Print version and environment details in logs at the `DEBUG` level.
- Add Sphinx-based documentation.
- Add a logo.
- Outsource documentation publishing to external workflow.

- Add supports for `.ini` configuration files.
- Add supports for commented JSON configuration files.
- Fix identification of TOML and JSON configuration files.
- Fix leak of local environment variable update on `extend_env()` usage.
- Ignore `help` boolean in configuration files.
- Add new dependency on `mergedeep`.

- Split the `print_cli_output` method to expose the simpler `format_cli` utility.

- Refactor global logging management.
- Remove `click_extra.run.run` and rebase all run utilities around `subprocess.run`.
- Use the `tomllib` from the standard library starting with Python 3.11.

- Fix extension of default environment variables.

- Add support for environment variables to run utilities.