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

userbot now lives at ssh://git@gitssh.forust.xyz:2221/forust/userbot.git
and is included in homelab as a submodule at userbot/

userbot/modules/calculator.py

@@ -1,39 +0,0 @@
-import asyncio
-
-from pyrogram import Client, filters
-from pyrogram.types import Message
-from utils.misc import modules_help, prefix
-
-
-@Client.on_message(filters.command('calc', prefix) & filters.me)
-async def calc(_, message: Message):
-    if len(message.command) <= 1:
-        return
-    args = ' '.join(message.command[1:])
-    try:
-        result = str(eval(args))  # noqa: S307
-
-        if len(result) > 4096:
-            for i, x in enumerate(range(0, len(result), 4096)):
-                if i == 0:
-                    await message.edit(
-                        f'<i>{args}</i><b>=</b><code>{result[x : x + 4000]}</code>',
-                        parse_mode='HTML',
-                    )
-                else:
-                    await message.reply(f'<code>{result[x : x + 4096]}</code>', parse_mode='HTML')
-                await asyncio.sleep(0.18)
-        else:
-            await message.edit(f'<i>{args}</i><b>=</b><code>{result}</code>', parse_mode='HTML')
-    except Exception as e:
-        await message.edit(f'<i>{args}=</i><b>=</b><code>{e}</code>', parse_mode='HTML')
-
-
-modules_help['calculator'] = {
-    'calc [expression]*': 'solve a math problem\n'
-    '+ – addition\n'
-    '– – subtraction\n'
-    '* – multiplication\n'
-    '/ – division\n'
-    '** – degree'
-}