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>

unocss.config.ts

@@ -4,7 +4,7 @@ import transformerDirectives from '@unocss/transformer-directives';
 import transformerVariantGroup from '@unocss/transformer-variant-group';
 import { defineConfig } from 'unocss';
 
-import { colors } from './src/shared/util/themeColors';
+import { colors } from './src/shared/types/ThemeColors';
 
 export default defineConfig({
     rules: [