feat(youtube): refactor download logic and integrate new API

- Added optional YTDLP_PATH environment variable to configure yt-dlp path.
- Removed old youtube download utility and replaced it with a new API-based approach.
- Implemented new functions to fetch YouTube video download URLs using an external service.
- Introduced yt-dlp integration for fallback download method.
- Created a structured response for video information retrieval.
- Enhanced error handling for video duration and response validation.

apps/bot/locales/en.ftl

@@ -10,9 +10,9 @@ description =
             ⚡ Simply send the video link, and the bot will download it for you.
 
 short-description = 
-                Bot downloads videos and pictures
-                Support: @v_dev_support
-                Donate: { $donateLink }
+                Download TikTok, Instagram and YouTube videos and images.
+
+                For any questions: @v_dev_support
 
 
 start =

apps/bot/locales/ru.ftl

@@ -10,9 +10,9 @@ description =
             ⚡ Просто отправьте ссылку на видео и изображения, и бот сразу скачает его для вас!
 
 short-description = 
-                Бот скачивает видео и изображения
-                Поддержка: @v_dev_support
-                Поблагодарить: { $donateLink }
+                Скачивай видео и изображения из TikTok, Instagram и YouTube.
+
+                По всем вопросам: @v_dev_support
 
 
 start =

apps/bot/src/bot/settings/info.ts

@@ -1,13 +1,10 @@
 import { type Context } from '../context';
 import { i18n } from '../i18n';
-import { env } from '@/config/env';
 import { type Api, type Bot, type RawApi } from 'grammy';
 
 export async function setInfo({ api }: Bot<Context, Api<RawApi>>) {
   for (const locale of i18n.locales) {
     await api.setMyDescription(i18n.t(locale, 'description'));
-    await api.setMyShortDescription(
-      i18n.t(locale, 'short-description', { donateLink: env.DONATE_LINK }),
-    );
+    await api.setMyShortDescription(i18n.t(locale, 'short-description'));
   }
 }

apps/bot/src/config/env.ts

@@ -3,7 +3,6 @@ import { z } from 'zod';
 
 export const envSchema = z.object({
   BOT_TOKEN: z.string(),
-  DONATE_LINK: z.string(),
   RATE_LIMIT: z
     .string()
     .transform((value) => Number.parseInt(value, 10))