Update app.json

app.json

@@ -3,15 +3,13 @@
   "description": "A telethon userbot based on snapdragon code(xtratgbot) .Easy to use and friendly bot . Maintained by Sandeep ",
   "logo": "https://telegra.ph/file/3d60313110c58684b31ea.jpg",
   "keywords": [
-    "telegram",
     "plugin",
     "modular",
     "productivity"
   ],
   "repository": "https://github.com/sandy1709/catuserbot/",
   "website": "#TODO",
   "success_url": "#TODO",
-  "stack": "container",
   "env": {
     "ENV": {
       "description": "Setting this to ANYTHING will enable heroku.",
@@ -107,5 +105,22 @@
     "options": {
       "version": "12"
     }
+  }],
+  "buildpacks": [{
+    "url": "https://github.com/jonathanong/heroku-buildpack-ffmpeg-latest"
+  },{
+    "url":"https://github.com/amivin/aria2-heroku.git"
+  },{
+    "url":"https://github.com/heroku/heroku-buildpack-google-chrome"
+  },{
+    "url":"https://github.com/heroku/heroku-buildpack-chromedriver"
+  },{
+    "url": "https://github.com/opendoor-labs/heroku-buildpack-p7zip"
+  },{
+    "url": "https://github.com/heroku/heroku-buildpack-apt.git"
+  },{
+    "url": "https://github.com/chrismytton/heroku-buildpack-jq"
+  },{
+    "url": "heroku/python"
   }]
 }