refactor: use final on basically everything

i'm kinda tired of the inconsistency since some stuff are non-final and some are final so i just made everything final, not sure how much it impacts on stuff but everything should be fine, there were around 1,400 replacements according to the idea code analyzer

src/main/java/me/chayapak1/chomens_bot/evalFunctions/GetLatestChatMessageFunction.java

@@ -9,21 +9,21 @@ import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
 public class GetLatestChatMessageFunction extends EvalFunction implements ChatPlugin.Listener {
     private String latestMessage = "";
 
-    public GetLatestChatMessageFunction (Bot bot) {
+    public GetLatestChatMessageFunction (final Bot bot) {
         super("getLatestChatMessage", bot);
 
         bot.chat.addListener(this);
     }
 
     @Override
-    public boolean systemMessageReceived (Component component, String string, String ansi) {
+    public boolean systemMessageReceived (final Component component, final String string, final String ansi) {
         latestMessage = GsonComponentSerializer.gson().serialize(component);
 
         return true;
     }
 
     @Override
-    public Output execute (Object... args) {
+    public Output execute (final Object... args) {
         return new Output(latestMessage, true);
     }
 }