Enable Japanese locale

Rakefile

@@ -14,6 +14,7 @@ locales = [
   :de,
   :es,
   :fr,
+  :ja,
   :nl,
   :pl
 ]

app/javascript/controllers/upload_controller.ts

@@ -9,10 +9,11 @@ import de from '@uppy/locales/lib/de_DE'
 import en from '@uppy/locales/lib/en_US'
 import es from '@uppy/locales/lib/es_ES'
 import fr from '@uppy/locales/lib/fr_FR'
+import ja from '@uppy/locales/lib/ja_JP'
 import nl from '@uppy/locales/lib/nl_NL'
 import pl from '@uppy/locales/lib/pl_PL'
 
-const uppyLocales = { cs, de, en, es, fr, nl, pl }
+const uppyLocales = { cs, de, en, es, fr, ja, nl, pl }
 
 // Connects to data-controller="upload"
 export default class extends Controller {

config/application.rb

@@ -50,6 +50,7 @@ module Manyfold
       :en,
       :es,
       :fr,
+      :ja,
       :nl,
       :pl
     ]

config/i18n-tasks.yml

@@ -9,6 +9,7 @@ locales: [
   en,
   es,
   fr,
+  ja,
   nl,
   pl
 ]