Add support for library themes#252

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vacarsu wants to merge 12 commits intoScenicFramework:mainfrom

Commits on Nov 16, 2021

implement a extendable color palette and improve config
vacarsu
committed

Commits on Dec 8, 2021

Commits on Dec 10, 2021

normalize returns themes when it's a map.
vacarsu
committed

Commits on Dec 14, 2021

search in :scenic by default for single atom themes
vacarsu
committed

Commits on Dec 19, 2021

add method to validate tuple theme against custom schema
vacarsu
committed

Commits on Mar 17, 2023

Only attempt to run _get_palette if it's exported
vacarsu
committed