Japanese localization (#2003)

* add japanese to list of languages

* add japanese translations

* change `jp` to `ja`

* minor changes to Japanese translation

* minor changes to Japanese translation

* update japanese strings with feedback

* Update languages.ts

* Extract translations

* Gitignore new compiled file

* allow switching to japanese

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Co-authored-by: Jake Gold <jake@blueskyweb.xyz>
Co-authored-by: Eric Bailey <git@esb.lol>

src/locale/helpers.ts

@@ -112,6 +112,8 @@ export function sanitizeAppLanguageSetting(appLanguage: string): AppLanguage {
         return AppLanguage.en
       case 'hi':
         return AppLanguage.hi
+      case 'ja':
+        return AppLanguage.ja
       default:
         continue
     }