fix: update plugin class name to be dynamic based on pluginName

Author: SerVitasik

adminforth/commands/createPlugin/templates/index.ts.hbs

@@ -3,7 +3,7 @@ import type { IAdminForth, IHttpServer, AdminForthResourcePages, AdminForthResou
 import type { PluginOptions } from './types.js';
 
 
-export default class ChatGptPlugin extends AdminForthPlugin {
+export default class {{pluginName}} extends AdminForthPlugin {
   options: PluginOptions;
 
   constructor(options: PluginOptions) {