Gc-meox-tms

Added
* documented functions with docstrings to make use of Python's built-in `help()` function [23](https://github.com/RECETOX/gc-meox-tms/pull/23)
* added developer documentation [23](https://github.com/RECETOX/gc-meox-tms/pull/23)
* added `Publish to PyPi` GitHub Actions workflow [24](https://github.com/RECETOX/gc-meox-tms/pull/24)

Added
* added **Anaconda build**, **Python Package with pip** (inc. **SonarCloud**), and **Python Package with Conda** GH Actions.
* added test coverage for main and IO functionality
* added conda dev environment and conda meta.yaml recipe
* added CHANGELOG.md

Changed
* changed package structure
* divided main functionality, IO handling, and CLI into designated modules

Fixed
* fixed not working examples in IPython notebook