chore: update formatting and fix signatures 💅 (#6)

Co-authored-by: Assem Hasna <assem@cow.fi>

Author: elena-zh

allowed_signers

@@ -5,6 +5,7 @@ hello@danielconstantin.net sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG
 tiago@cow.fi sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIOYCxHz1k98VvYsFw51oH66CAeUPXStm8Qy0rTD3zCEJAAAABHNzaDo=
 tiago@cow.fi sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAINvY1PTjaP0BkyDhU2OLFRnQcomPONH5HAEe1jSAKZIcAAAABHNzaDo=
 tiago@cow.fi sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAINqtCuaOVcs3pNFcaIfH6Uf+867fxbquy/8q4zIAdg+yAAAABHNzaDo=
+elena@cow.fi sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIBZTfrG8ZelLw5+KmXD6jioIlOryq1xJFE9AXkGx9hOZAAAABHNzaDo=
 
 # cow-protocol CI bot — non-sk software key
 gh_111@cow.fi ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFHJQvdfBMMNNDCsq8LJS2/yCxYKbFiw6Jkcjym8CvZw