Add Coded's nix ssh key

Coded has dual-booted NixOS, and generated a new SSH key. This SSH key is
resident to his YubiKey so will presumably stay the same unless/until he gets
another

Change-Id: Ifbf4fc9788d9b7476deb445fa6b956c49961f5d0
diff --git a/default/configuration.nix b/default/configuration.nix
index 6d916de..b3b80a9 100644
--- a/default/configuration.nix
+++ b/default/configuration.nix
@@ -80,6 +80,7 @@
     openssh.authorizedKeys.keys = [
       "ssh-rsa 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 samue@SamuelDesktop"
       "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIH+TJRuMpDPgh6Wp2h+E+O/WoyEAVyWo6SN8oxm2JZNVAAAABHNzaDo= samue@SamuelDesktop"
+      "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAILrwKN4dJQ0BiLmjsA/66QHhu06+JyokWtHkLcjhWU79AAAABHNzaDo= coded-sk-resident-1"
     ];
   };
   users.users.pineafan = {