add tab about translate

src/lang/ja.rs

@@ -39,6 +39,9 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Change ID", "IDを変更"),
         ("Website", "公式サイト"),
         ("About", "情報"),
+        ("About RustDesk", ""),
+        ("Slogan_tip", ""),
+        ("Privacy Statement", ""),
         ("Mute", "ミュート"),
         ("Audio Input", "音声入力デバイス"),
         ("Enhancements", "追加機能"),