Sphinx-code-include

------------------

* Added better CI, updated GitHub badges, various quality of life changes

------------------

* Added explicit, separate GitHub workflow actions

------------------

* Added Python 3.10 support
* Added initial GitHub workflow actions

------------------

* Added missing ``user_agent`` information. See https://github.com/ColinKennedy/sphinx-code-include/issues/5

------------------

* Fixed the requirements of the PyPI package

------------------

* Added :link-to-source: and :link-to-documentation: options
* Added support for the :obj: tag (which can be used in place of :class:, :func:, or :meth:)