fixed missing rename for prioroty

src/fomod.rs

@@ -207,6 +207,8 @@ pub struct FileType {
     pub always_install: Option<String>,
     #[serde(rename = "@installIfUsable", default = "false_bool")]
     pub install_if_usable: bool,
+
+    #[serde(rename = "@priority")]
     pub priority: Option<isize>,
 }