Manually add #355 and #375

Author: btcdrak

_data/segwitsupport.csv

@@ -129,3 +129,6 @@ cixbg,https://www.cix.bg/,ready,"broker, financial services","BitGo, Kraken, Bit
 CryptoGames,https://www.crypto-games.net,ready,gambling,bitcoin core
 Hardblock,https://www.hardblock.net/, ready, Broker, bitcoin core
 MoneyBadger,https://moneybadger.io,ready,"exchange, tipping, remittance",bitcoin core
+KeeeX,https://keeex.me,ready,"notarization and document proofs",
+CryptoBG,https://crypto.bg/,ready,exchange,
+