Revert "refactor: extract userbot to standalone repo, add as git submodule"

This reverts commit 3c383db9a7.

userbot/modules/durov.py

@@ -0,0 +1,16 @@
+from random import randint
+
+from pyrogram import Client, enums, filters
+from pyrogram.types import Message
+from utils.misc import modules_help, prefix
+
+
+@Client.on_message(filters.command('durov', prefix) & filters.me)
+async def durov(_, message: Message):
+    await message.edit(
+        f'<b>Random post from channel: https://t.me/durov/{randint(21, 36500)}</b>',  # noqa: S311
+        parse_mode=enums.ParseMode.HTML,
+    )
+
+
+modules_help['durov'] = {'durov': 'Send random post from durov channel'}