Fixes root node of the new config options

src/main/java/net/knarcraft/bookswithoutborders/config/ConfigOption.java

@@ -58,12 +58,12 @@ public enum ConfigOption {
     /**
      * Whether only the book author should be able to unsign a book
      */
-    AUTHOR_ONLY_UNSIGN("Author_Only_Unsign", false),
+    AUTHOR_ONLY_UNSIGN("Options.Author_Only_Unsign", false),
 
     /**
      * Whether to turn Original into Copy when copying books
      */
-    CHANGE_GENERATION_ON_COPY("Decrease_Generation_On_Copy", false),
+    CHANGE_GENERATION_ON_COPY("Options.Decrease_Generation_On_Copy", false),
 
     /**
      * Whether to automatically format every signed book