Update signatures.md

content/posts/signatures.md

@@ -67,6 +67,7 @@ draft: false
 - Isabel Roses [@isabelroses](https://github.com/isabelroses)
 - Austreelis <dev@austreelis.net> (@austreelis)
 - Swastik Baranwal ([@Delta456](https://github.com/Delta456))
+- Amy ([@nullishamy](https://github.com/nullishamy/))
 <!-- Insert your signature above here, using the format above.>
 
 ... and at least a dozen others who concur with this document, but are unable to sign for safety reasons.