Add English documentation to copy list

Author: ClementGre

src/main/java/fr/themsou/windows/LanguageWindow.java

@@ -36,7 +36,7 @@ public class LanguageWindow extends Stage{
 
     public static final String[] TO_COPY_FILES = new String[]{
             "Français France (Defaut).txt", "Français France (Defaut).png", "Français France (Defaut).pdf", "Français France (Defaut).odt",
-            "English US.txt", "English US.png", //"English US.pdf", "English US.odt"
+            "English US.txt", "English US.png", "English US.pdf", "English US.odt",
             "English GB.png"
     };