Scilaunch

* simplify default settings

Misc

* add a verbose option to declutter output

* add checks if boolean vars in `.cookiecutterrc` are set correctly to `true` or `false`

Misc
* add more info

* adapt to the [`research-project`](https://github.com/SHEscher/research-project) template version`2.0.0`

Misc
* add last-update badge to README.md
* add script to auto update last-update badge
* bump cookiecutter version to 2.5.0 to use [nested configuration files](https://cookiecutter.readthedocs.io/en/stable/advanced/nested_config_files.html#nested-configuration-files)
* switch some defaults to boolean values

Documentation

Init documentation using [`Mkdocs`](https://www.mkdocs.org) and [`mkdocstrings`](https://mkdocstrings.github.io).
More to come.

Misc

* Tidy up `README.md`
* Add `CHANGELOG.md`
* Add `CONTRIBUTING.md`