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

This reverts commit 3c383db9a7.

userbot/modules/duckduckgo.py

@@ -0,0 +1,14 @@
+from pyrogram import Client, filters
+from pyrogram.types import Message
+from utils.misc import prefix
+
+
+@Client.on_message(filters.command('duck', prefix) & filters.me)
+async def duckgo(client: Client, message: Message):
+    input_str = ' '.join(message.command[1:])
+    sample_url = 'https://duckduckgo.com/?q={}'.format(input_str.replace(' ', '+'))
+    if sample_url:
+        link = sample_url.rstrip()
+        await message.edit_text(f'Let me 🦆 DuckDuckGo that for you:\n🔎 [{input_str}]({link})')
+    else:
+        await message.edit_text('something is wrong. please try again later.')