add programs

orgs-data/immunefi.tsv

@@ -159,6 +159,7 @@ https://immunefi.com/bounty/etherrock/	-	-
 https://immunefi.com/bounty/euphrates/	https://github.com/AcalaNetwork	54881907
 https://immunefi.com/bounty/exactly/	https://github.com/exactly	83888950
 https://immunefi.com/bounty/extrafinance/	https://github.com/ExtraFi	110192631
+https://immunefi.com/bounty/fbtc/	?
 https://immunefi.com/bounty/fief/	https://github.com/Fief-Finance	95367885
 https://immunefi.com/bounty/filecoin/	https://github.com/filecoin-project	22014611
 https://immunefi.com/bounty/filecoin/	https://immunefi.com/bounty/filecoin/	-