parse bitcoin uri's as links

[t-900-a]

when parsing markdown and rendering it into html bitcoin and monero uri's are not rendered as a link

example markdown
[donate](monero:83UXh3SQZGk63yCWA8cQcQFrYL6xat3aNASZcz7USgy94neK8proFxU1BJhxr4PWNPJy1ScKX2oxy6TX3BmcGJk67JbJmXG)
current output
<a target="_blank" rel="noopener">donate</a>
desired output
<a target="monero:83UXh3SQZGk63yCWA8cQcQFrYL6xat3aNASZcz7USgy94neK8proFxU1BJhxr4PWNPJy1ScKX2oxy6TX3BmcGJk67JbJmXG" rel="noopener">donate</a>

https://www.iana.org/assignments/uri-schemes/prov/bitcoin

For a live example see: https://bounties.monero.social/posts/3/twitter-bot-for-comit-btc-atomic-swaps

[plowsof]

Just add the custom uri's here (posting here for visibility)

blackfriday/inline.go

Line 824 in e96880f

var validUris = [][]byte{[]byte("http://"), []byte("https://"), []byte("ftp://"), []byte("mailto://")}

[elibroftw]

Can you guys just fork black Friday and then fork fider to use your forked black Friday. Then you don't have to wait for a dead project to be revived.