feat: Add Message#getMessageLines(char) which EpicAutomators needs

EpicAutomators just needs the method. It never existed in the core,
it has been used in the plugin since for ever essentially...
Somebody just never comitted it and published local builds I guess...

I'm annoyed

Core/src/main/java/com/craftaro/core/locale/Message.java

@@ -138,8 +138,11 @@ public Component getMessage() {
      * @return the message
      */
     public List<Component> getMessageLines() {
-        //return Arrays.asList(ChatColor.translateAlternateColorCodes('&', this.message.toText()).split("[\n|]"));
-        return AdventureUtils.splitComponent(this.message, '\n');
+        return getMessageLines('\n');
+    }
+
+    public List<Component> getMessageLines(char splitChar) {
+        return AdventureUtils.splitComponent(this.message, splitChar);
     }
 
     /**