add `boost_uuid`

value/blip-0010.md

@@ -149,7 +149,8 @@ Other optional fields:
   serialized string should be hashed with `sha256` to obtain the value.
 * `speed` (str) Speed in which the podcast was playing, in decimal notation at the time the payment was sent. So 0.5
   is half speed and 2 is double speed.
-* `uuid` (str) Unique UUID of the payment.
+* `boost_uuid` (str) UUID for the boost/stream/auto payment. If there are several recipients, the same identifier should be sent to all of them.
+* `uuid` (str) UUID of a payment sent out to a single recipient.
 * `reply_address` (str) The pubkey of the lightning node that can receive payments for the sender. The node given
   must be capable of receiving keysend payments. If this field contains an "@" symbol, it should
   be interpreted as a