Update README.md

[OFJAAAH]

[joaociocca]

just tried this, and all I get is

└─$ go install github.com/tomnomnom/hacks/html-tool@latest                                                                          
go: finding module for package golang.org/x/net/html
go: finding module for package github.com/tomnomnom/gahttp
go: finding module for package github.com/ericchiang/css
go: found github.com/ericchiang/css in github.com/ericchiang/css v0.0.0-20171210184639-f08e94f04ef6
go: found github.com/tomnomnom/gahttp in github.com/tomnomnom/gahttp v0.0.0-20180905143706-793a49d82336
go: found golang.org/x/net/html in golang.org/x/net v0.0.0-20211029224645-99673261e6eb

Am I missing something? (disclosure: I know nothing about go)