PlexPlaylist_UI subtree merge

feat: Implement internationalization and rename project

Merge commit 'a745adc1ab02adbd17ed19574f47070f87eba50b'

sample-front-end/translations.ts

@@ -0,0 +1,11 @@
+
+import { en } from './locales/en';
+import { es } from './locales/es';
+
+export const translations = {
+  en,
+  es
+};
+
+export type Language = keyof typeof translations;
+export type TranslationStructure = typeof en;