Refactor + Bugs fixes on Strings + Gestion de la génération des images

Sources/Strings/Twine/TwineError.swift

@@ -7,25 +7,21 @@
 
 import Foundation
 
-extension Strings {
+enum TwineError: Error {
+    case fileNotExists(String)
+    case langsListEmpty
+    case defaultLangsNotInLangs
     
-    enum TwineError: Error {
-        case fileNotExists(String)
-        case langsListEmpty
-        case defaultLangsNotInLangs
-        
-        var localizedDescription: String {
-            switch self {
-            case .fileNotExists(let filename):
-                return " error:[\(Twine.toolName)] File \(filename) does not exists "
-                
-            case .langsListEmpty:
-                return " error:[\(Twine.toolName)] Langs list is empty"
-                
-            case .defaultLangsNotInLangs:
-                return " error:[\(Twine.toolName)] Langs list does not contains the default lang"
-            }
+    var localizedDescription: String {
+        switch self {
+        case .fileNotExists(let filename):
+            return " error:[\(Twine.toolName)] File \(filename) does not exists "
+            
+        case .langsListEmpty:
+            return " error:[\(Twine.toolName)] Langs list is empty"
+            
+        case .defaultLangsNotInLangs:
+            return " error:[\(Twine.toolName)] Langs list does not contains the default lang"
         }
     }
-    
 }