Translate quick message bursts from Telegram properly

[ForNeVeR]

This is the most critical part of #24. After sending the message from Telegram to XMPP, bot should first wait for the message to be delivered back, and only after that send a new one.

[ForNeVeR]

This is supported since 1.0.0. See this code:

emulsion/Emulsion/Xmpp/EmulsionXmpp.fs

Lines 119 to 121 in 253669f

	let! deliveryInfo = sendRoomMessage client lifetime settings.MessageTimeout message
	logger.Information("Message {MessageId} has been sent; awaiting delivery", deliveryInfo.MessageId)
	do! awaitMessageDelivery deliveryInfo