Update ja.json (POEditor.com)

1678c8e2 · Christoph (Sheogorath) Kern · f9fbff2d · 1678c8e2
Commit 1678c8e2 authored Mar 20, 2019 by Christoph (Sheogorath) Kern
--- a/locales/ja.json
+++ b/locales/ja.json
@@ -113,5 +113,7 @@
    "Delete user": "ユーザーの削除",
    "Export user data": "ユーザーデータをエクスポート",
    "Help us translating on %s": "%s の翻訳にご協力ください",
-    "Source Code": "ソースコード"
+    "Source Code": "ソースコード",
+    "Register": "登録",
+    "Powered by %s": "Powered by %s"
 }
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