added ja-JP

resources/lang/ja-JP/accounts.php

@@ -0,0 +1,14 @@
+<?php
+
+return [
+
+    'account_name'          => 'アカウント名',
+    'number'                => '口座番号',
+    'opening_balance'       => '期首残高',
+    'current_balance'       => '残高',
+    'bank_name'             => '銀行名',
+    'bank_phone'            => '銀行電話',
+    'bank_address'          => '銀行住所',
+    'default_account'       => 'デフォルトのアカウント',
+
+];