[FIX] rtd line overflow

[saratheriver]

• [v0.4.3] just work already

• [FIX] removed mltbx for now

• [FIX] removed mltbx for now, v0.4.2

• [NOFIX] vtk still not working

• [FIX] removed icon

• [DOCS] rtd updates

• [FIX] RTD among other thangs

• [FIX] RTD among other thangs blakc

• [FIX] rtd

• mypy fixes

• [FIX] rtd yeah?

• [FIX] rtd yeah?

• [FIX] rtd yeah cmon?

• [DOC] added plot_hemispheres API

• [DOC] added plot_hemispheres API - black

• [FIX] SLM tests comment out unfinished business

• [FIX] SLM tests comment out unfinished business - black

• [NEW] scktlearn unit test

• [NEW] spin test tuts

• [NEW] spin test tuts - black

• [NEW] spin test tuts - black

• [NEW] spin test tuts - black