update lang.rs to add catalan

update lang.rs to add catalan

src/lang.rs

@@ -24,6 +24,7 @@ mod vn;
 mod kz;
 mod ua;
 mod fa;
+mod ca;
 
 lazy_static::lazy_static! {
     pub static ref LANGS: Value =
@@ -51,6 +52,7 @@ lazy_static::lazy_static! {
             ("kz", "Қазақ"),
             ("ua", "Українська"),
             ("fa", "فارسی"),
+            ("ca", "català"),
         ]);
 }
 
@@ -102,6 +104,7 @@ pub fn translate_locale(name: String, locale: &str) -> String {
         "kz" => kz::T.deref(),
         "ua" => ua::T.deref(),
         "fa" => fa::T.deref(),
+        "ca" => ca::T.deref(),
         _ => en::T.deref(),
     };
     if let Some(v) = m.get(&name as &str) {