QoL and martini 3 updates

• Some quality of life updates were done to better use garnish as a library.
• Elastic network handling was improved.
• Compatibility with latest martini 3 (preview) updated.

Much faster

Lots of changes:
clever acronym
better autocompletion
installable setup.py
huge speedup due to add-bonds function
new and improved internal data structure
many small improvements

Updated

New features:

• Tab completion
• .top parsing

And some improvements to the original parsing logic.

Small fixes

• Improved parsing
• Re-added drawing backbone bonds without a tpr file

First release

Preliminary features:

• Parsing a tpr file using gromacs
• Drawing bonds between all the atoms
• Includes elastic network
• Works across several chains