Updates README with echo

[tommyjcarpenter]

At first I thought this package only covered gin because thats all the README talks about; however, it also has echoaudit

[tommyjcarpenter]

my commit is signed?
808bca7

OK It wants PGP let me figure out how to do that.

[tommyjcarpenter]

	* failed to parse signature: asn1: structure error: tags don't match (16 vs {class:0 tag:13 length:77 isCompound:true}) {optional:false explicit:false application:false private:false defaultValue:<nil> tag:<nil> stringType:0 timeType:0 set:false omitEmpty:false} ContentInfo @2

🥇

[tommyjcarpenter]

Closing after spending like 30 minutes trying to correctly setup PGP and failing.