Minor fixes

• Right-justified the labels in the GUI
• Fixed a problem caused by a missing line in BranchCI
• Added the keyword SEAMMplugin to simplify searching in PyPi.

Fixed bug in compatibility with older git

Merge pull request #12 from molssi-seamm/dev

Fixed bug renaming to main.

Fixed compatibility with git 2.17.1

Merge pull request #11 from molssi-seamm/dev

Worked around init problem for older versions of git

Updated for changes in SEAMM structure

• Using shared GitHub workflows to reduce maintenance
• Updated Makefile for changes in setup tools
• Incorporated changes to template files for plug-ins
• Removed obsolete files.

Switched from yapf to black and cleaned up.

Switched to black from yapf and generally cleaned up both the cookicutter and the resultant code.
Still needs work on documentation, though what is there is OK. Needs documentation for how to deploy to PyPi.

Initial version of the SEAMM cookiecutter on PyPi

Working for plug-ins, but needs to be tested and documented.