Add Japanese language and Japan podcast search region

client/plugins/i18n.js

@@ -21,6 +21,7 @@ const languageCodeMap = {
   he: { label: 'עברית', dateFnsLocale: 'he' },
   hr: { label: 'Hrvatski', dateFnsLocale: 'hr' },
   it: { label: 'Italiano', dateFnsLocale: 'it' },
+  ja: { label: '日本語', dateFnsLocale: 'ja' },
   lt: { label: 'Lietuvių', dateFnsLocale: 'lt' },
   hu: { label: 'Magyar', dateFnsLocale: 'hu' },
   ko: { label: '한국어', dateFnsLocale: 'ko' },
@@ -60,6 +61,7 @@ const podcastSearchRegionMap = {
   hr: { label: 'Hrvatska' },
   il: { label: 'ישראל / إسرائيل' },
   it: { label: 'Italia' },
+  jp: { label: '日本' },
   lu: { label: 'Luxembourg / Luxemburg / Lëtezebuerg' },
   hu: { label: 'Magyarország' },
   nl: { label: 'Nederland' },