♻️ [shared] Refactor ssh config to be dynamic

flake.nix

@@ -74,15 +74,18 @@
           hostName = "desktop";
           system = "x86_64-linux";
           nvidia.enable = true;
+          ssh.publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMSzXyTuQyTrWsfORQbvgrqt/33+hfSUDXeMg6D1T2wz";
         }
         {
           hostName = "thinkpad";
           system = "x86_64-linux";
+          ssh.publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILNlHKE/BD8kKfhJD7GBk1A3whZf3gTjk9VEgGAj3qsH";
         }
         {
           hostName = "pi4";
           system = "aarch64-linux";
           wayland.enable = false;
+          ssh.publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJE9m7YiITe1sDqSZ7Pa8luIw3WToLsypixZEqE4wCQE";
         }
         # TODO Homelab config
       ];
@@ -126,6 +129,7 @@
                   theme
                   lib
                   systemConfig
+                  systems
                   ;
                 isDarwin = false;
               };