feat(RES-34): Fix plist font filename (#14)

Reviewed-on: #14

Sources/ResgenSwift/Fonts/Model/FontName.swift

@@ -7,13 +7,21 @@
 
 import Foundation
 
-typealias FontName = String
+// swiftlint:disable no_grouping_extension
+
+struct FontName: Hashable {
+
+    let postscriptName: String
+    let filename: String
+    let fileExtension: String
+}
 
 extension FontName {
+
     var fontNameSanitize: String {
-        self.removeCharacters(from: "[]+-_")
+        postscriptName.removeCharacters(from: "[]+-_")
     }
-    
+
     func getProperty(isStatic: Bool, isSwiftUI: Bool) -> String {
         if isSwiftUI {
             if isStatic {