added 'displayFilename: true' to the Logger; Debug Purposes

For easier Debugging purposes, mainly to know where the console output is from.
`[16/09/2022] [19:25:52] [ready.js] [Manager] » ⁉️  Error:    client.users.size is not a function`

src/structures/Client.js

@@ -51,6 +51,7 @@ module.exports = class Client extends Discord.Client {
         this.logger = new Logger({
             displayTimestamp: true,
             displayDate: true,
+            displayFilename: true, //For easier Debugging purposes, mainly to know where the console output is from.
         }, this);
 
         this.databaseHelper = new DatabaseHelper(this);