localization: translations for reward input tip

src/Resources/Locales/en_US.axaml

@@ -447,6 +447,7 @@
   <x:String x:Key="Text.Reword" xml:space="preserve">Reword Commit Message</x:String>
   <x:String x:Key="Text.Reword.Message" xml:space="preserve">Message:</x:String>
   <x:String x:Key="Text.Reword.On" xml:space="preserve">On:</x:String>
+  <x:String x:Key="Text.Reword.Tip" xml:space="preserve">Use 'Shift+Enter' to input a new line. 'Enter' is the hotkey of OK button</x:String>
   <x:String x:Key="Text.Running" xml:space="preserve">Running. Please wait...</x:String>
   <x:String x:Key="Text.Save" xml:space="preserve">SAVE</x:String>
   <x:String x:Key="Text.SaveAs" xml:space="preserve">Save As...</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -449,6 +449,7 @@
   <x:String x:Key="Text.Reword" xml:space="preserve">编辑提交信息</x:String>
   <x:String x:Key="Text.Reword.Message" xml:space="preserve">提交信息：</x:String>
   <x:String x:Key="Text.Reword.On" xml:space="preserve">提交：</x:String>
+  <x:String x:Key="Text.Reword.Tip" xml:space="preserve">请使用Shift+Enter换行。Enter键已被【确  定】按钮占用。</x:String>
   <x:String x:Key="Text.Running" xml:space="preserve">执行操作中，请耐心等待...</x:String>
   <x:String x:Key="Text.Save" xml:space="preserve">保    存</x:String>
   <x:String x:Key="Text.SaveAs" xml:space="preserve">另存为...</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -449,6 +449,7 @@
   <x:String x:Key="Text.Reword" xml:space="preserve">編輯提交資訊</x:String>
   <x:String x:Key="Text.Reword.Message" xml:space="preserve">提交資訊：</x:String>
   <x:String x:Key="Text.Reword.On" xml:space="preserve">提交：</x:String>
+  <x:String x:Key="Text.Reword.Tip" xml:space="preserve">請使用Shift+Enter換行。Enter鍵已被【確 定】按鈕佔用。</x:String>
   <x:String x:Key="Text.Running" xml:space="preserve">執行操作中，請耐心等待...</x:String>
   <x:String x:Key="Text.Save" xml:space="preserve">保    存</x:String>
   <x:String x:Key="Text.SaveAs" xml:space="preserve">另存為...</x:String>

src/Views/Reword.axaml

@@ -33,7 +33,7 @@
       
       <TextBlock Grid.Row="2" Grid.Column="1"
                  Margin="0,4,0,0"
-                 Text="Use 'Shift+Enter' to input a new line. 'Enter' is the hotkey of OK button"
+                 Text="{DynamicResource Text.Reword.Tip}"
                  TextWrapping="Wrap"
                  Foreground="{DynamicResource Brush.FG2}"/>
     </Grid>