[Telegram] Two Factor 2.0.3

Allows enabling your Telegram account as Two Factor providers.
Two methods are available now:

• One-time code. You receive code from bot which should be entered in the browser on the website.
• Buttons. You receive two buttons from the bot (Accept/Decline). After pressing "Accept", the authorization will be completed in the browser. Requires any enabled method for receiving updates (Longpoll/Webhook).

Note: these providers don't display if the user doesn't have a connected Telegram account.