i18n for sigin in form placeholder

app/views/sessions/new.html.haml

@@ -6,8 +6,8 @@
     = render partial: "shared/error"
     = form_for(:session, url: sessions_path) do |f|
       %div.form-group
-        = f.text_field :name, placeholder: "Name"
+        = f.text_field :name, placeholder: t('terms.name')
       %div.form-group
-        = f.password_field :password, placeholder: "Password"
+        = f.password_field :password, placeholder: t('terms.password')
 
       = submit_tag t("terms.sign_in"), class: "btn btn-success"

config/locales/translation_en.yml

@@ -10,6 +10,8 @@ en:
     fluentd_start_stop_delay_notice: "'%{action} daemon' is accepted. That operation could take a minute for complete."
 
   terms: &terms
+    name: Name
+    password: Password
     sign_in: Sign in
     sign_out: Sign out
     install: Install

config/locales/translation_ja.yml

@@ -10,6 +10,8 @@ ja:
     fluentd_start_stop_delay_notice: "デーモンの%{action}を受け付けました。処理が完了するまで時間がかかる場合があります。"
 
   terms: &terms
+    name: アカウント名
+    password: パスワード
     sign_in: ログイン
     sign_out: ログアウト
     uninstall: アンインストール