[Update] Main Window: add feature. Swap Languages. when hover the label 'Translate Each Other', 'Swap Languages Button' appear. and It can swap 'Your language' and 'Target Language'.

locales/en.yml

@@ -7,6 +7,7 @@ main_window:
   language_settings: Language Settings
   your_language: Your Language
   both_direction_desc: Translate Each Other
+  swap_button_label: Swap Languages
   target_language: Target Language
 
   textbox_tab_all: All

locales/ja.yml

@@ -7,6 +7,7 @@ main_window:
   language_settings: 言語設定
   your_language: あなたの言語
   both_direction_desc: 双方向に翻訳
+  swap_button_label: 言語を入れ替え
   target_language: 相手の言語
 
   textbox_tab_all: 全て