added ja-JP

resources/lang/ja-JP/demo.php

@@ -0,0 +1,13 @@
+<?php
+
+return [
+
+    'accounts_cash'         => '現金',
+    'categories_deposit'    => '預金',
+    'categories_sales'      => '売上高',
+    'currencies_usd'        => '米ドル',
+    'currencies_eur'        => 'ユーロ',
+    'currencies_gbp'        => '英国ポンド',
+    'currencies_try'        => 'トルコのリラ',
+
+];