zsh: add kitten ssh aliases s and si

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

home/modules/zsh.nix

@@ -30,6 +30,8 @@ in
       ll   = "eza -la --icons";
       cat  = "bat";
       grep = "rg";
+      s    = "kitten ssh";
+      si   = ''kitten ssh -o "UserKnownHostsFile=/dev/null" -o "StrictHostKeyChecking=no"'';
     };
   };