github actions

[ratmav]

investigate and attempt to implement github actions to run linters on push, etc. shellcheck for bash...not sure about powershell. PSScriptAnalyzer looks like the one, but will probably take some setup for sure.

[ratmav]

this looks helpful: https://gist.github.com/joswr1ght/a56bb7e7afd71ebc76416c455a929225

[ratmav]

also, you can lint vimscript: https://github.com/Vimjas/vint. brew install vint seems to work just fine.

[ratmav]

the vimscript should be the only necessary linter once ish is ready.

[ratmav]

we only need the viml linter like in https://github.com/ratmav/vim-airline-system and whatever it takes for a shellcheck linter at this point.