Initialize repository and package

[ebuchlin]

• [x] Action for tests and code lint
• [x] Add licence
• [x] Package configuration
• [x] PyPI configuration
• [x] Configure tests
• [x] Add requirements.txt
• [x] Basic code structure
• [x] Configure documentation (sphinx)
• [x] CI action to build and publish documentation
• [x] Create develop branch and protect main branch
• [x] #28
• [x] CI action for test coverage
• [x] Pre-commit: code reformatting, tests?

[ebuchlin]

To ensure a potential future SunPy affiliate status, please see SEP-4.

[ebuchlin]

See also Python in Heliophysics Community (PyHC) Standards.

[ebuchlin]

Working on publishing documentation on Readthedocs (starting with ebae254)

[ebuchlin]

Working on publishing documentation on Readthedocs (starting with ebae254)

Done; automatic generation is done by Readthedocs, not by Github.

[ebuchlin]

New issue #28 for changelog management, closing this issue.

[ebuchlin]

One could get further inspiration from the astropy package template.