fix: use char instead of str

src/main/java/lol/hyper/toolstats/tools/config/ConfigTools.java

@@ -136,6 +136,7 @@ public class ConfigTools {
 
     /**
      * Format a string with several placeholders to be ready for lore usage.
+     *
      * @param configName         The message to use.
      * @param placeHoldersValues Map containing placeholders names as keys and values.
      * @return Formatted string, null if the configName doesn't exist.