Add descriptor wiki link

README.md

@@ -19,7 +19,7 @@ Bitcoinrb supports following feature:
 * [BIP-85](https://github.com/bitcoin/bips/blob/master/bip-0085.mediawiki) Deterministic Entropy From BIP32 Keychains support by `Bitcoin::BIP85Entropy` class.
 * Schnorr signature([BIP-340](https://github.com/bitcoin/bips/blob/master/bip-0340.mediawiki))
 * Taproot consensus([BIP-341](https://github.com/bitcoin/bips/blob/master/bip-0341.mediawiki) and [BIP-342](https://github.com/bitcoin/bips/blob/master/bip-0342.mediawiki))
-* Output script descriptor([BIP-380](https://github.com/bitcoin/bips/blob/master/bip-0380.mediawiki), [BIP-381](https://github.com/bitcoin/bips/blob/master/bip-0381.mediawiki), [BIP-382](https://github.com/bitcoin/bips/blob/master/bip-0382.mediawiki), [BIP-383](https://github.com/bitcoin/bips/blob/master/bip-0383.mediawiki), [BIP-384](https://github.com/bitcoin/bips/blob/master/bip-0384.mediawiki), [BIP-385](https://github.com/bitcoin/bips/blob/master/bip-0385.mediawiki), [BIP-386](https://github.com/bitcoin/bips/blob/master/bip-0386.mediawiki), [BIP-387](https://github.com/bitcoin/bips/blob/master/bip-0387.mediawiki))
+* [Output script descriptor](https://github.com/chaintope/bitcoinrb/wiki/Output-Script-Descriptor) ([BIP-380](https://github.com/bitcoin/bips/blob/master/bip-0380.mediawiki), [BIP-381](https://github.com/bitcoin/bips/blob/master/bip-0381.mediawiki), [BIP-382](https://github.com/bitcoin/bips/blob/master/bip-0382.mediawiki), [BIP-383](https://github.com/bitcoin/bips/blob/master/bip-0383.mediawiki), [BIP-384](https://github.com/bitcoin/bips/blob/master/bip-0384.mediawiki), [BIP-385](https://github.com/bitcoin/bips/blob/master/bip-0385.mediawiki), [BIP-386](https://github.com/bitcoin/bips/blob/master/bip-0386.mediawiki), [BIP-387](https://github.com/bitcoin/bips/blob/master/bip-0387.mediawiki))
 
 ## Requirements