refact, split tab to separate window

Signed-off-by: dignow <linlong1265@gmail.com>

src/lang/ca.rs

@@ -526,5 +526,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Sort tags", ""),
         ("Separate remote window", ""),
         ("separate window", ""),
+        ("Split", ""),
     ].iter().cloned().collect();
 }