feat: course color generation (#179)

* feat: course color generation

* feat: add proper TS for hex colors

* refactor: fix oklab and improve contrast ratios

* fix: update HexColor type

* refactor: update color switch point

* refactor: color-related functions and types

* fix: imports and TS issues

* fix: imports and TS issues

* chore: add no-restricted-syntax ForInStatement

* chore(docs): add jsdoc

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Co-authored-by: doprz <52579214+doprz@users.noreply.github.com>

src/views/index.tsx

@@ -5,7 +5,6 @@ import CourseCatalogMain from './components/CourseCatalogMain';
 import PopupMain from './components/PopupMain';
 import getSiteSupport, { SiteSupport } from './lib/getSiteSupport';
 import render from './lib/react';
-import colors from './styles/colors.module.scss';
 
 const support = getSiteSupport(window.location.href);
 console.log('support:', support);