Merge branch 'translations-new-ja-jp' into 'develop'

Add ja_JP locale

See merge request funkwhale/funkwhale!1083

front/src/locales.js

@@ -57,6 +57,10 @@ export default {
       "code": "it",
       "label": "Italiano"
     },
+    {
+      "code": "ja_JP",
+      "label": "日本語"
+    },
     {
       "code": "kab_DZ",
       "label": "Taqbaylit"