refactor(): extract bot instace factory

lib/utils/create-bot-factory.util.ts

@@ -0,0 +1,13 @@
+import { Telegraf } from 'telegraf';
+import { TelegrafModuleOptions } from '../interfaces';
+
+export async function createBotFactory(
+  options: TelegrafModuleOptions,
+): Promise<Telegraf<never>> {
+  const bot = new Telegraf<never>(options.token, options.options);
+
+  bot.use(...(options.middlewares ?? []));
+  await bot.launch(options.launchOptions);
+
+  return bot;
+}