add tab about translate

src/lang/sv.rs

@@ -39,6 +39,9 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Change ID", "Byt ID"),
         ("Website", "Hemsida"),
         ("About", "Om"),
+        ("About RustDesk", ""),
+        ("Slogan_tip", ""),
+        ("Privacy Statement", ""),
         ("Mute", "Tyst"),
         ("Audio Input", "Ljud input"),
         ("Enhancements", "Förbättringar"),