Improved docs and typing

plugins/language.py

@@ -1,3 +1,5 @@
+from typing import List
+
 from pykeyboard import InlineButton, InlineKeyboard
 from pyrogram import filters
 from pyrogram.types import CallbackQuery, Message
@@ -13,7 +15,7 @@ async def command_language(app: PyroClient, message: Message):
     user = await app.find_user(message.from_user)
 
     keyboard = InlineKeyboard(row_width=2)
-    buttons = []
+    buttons: List[InlineButton] = []
 
     for locale, data in app.in_every_locale("metadata").items():
         buttons.append(