[shared] Refactor systems

systems.nix

@@ -0,0 +1,38 @@
+{ common, ... }:
+let
+  defaultConfig = {
+    system = "x86_64-linux";
+    username = common.username;
+    version = common.system.version;
+    wayland.enable = true;
+    nvidia.enable = false;
+  };
+in
+builtins.mapAttrs (_hostName: systemConfig: defaultConfig // systemConfig) {
+  desktop = {
+    nvidia.enable = true;
+    ssh.publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMSzXyTuQyTrWsfORQbvgrqt/33+hfSUDXeMg6D1T2wz";
+    git.signing.key = "706F53DD087A91DE";
+  };
+  thinkpad = {
+    ssh.publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILNlHKE/BD8kKfhJD7GBk1A3whZf3gTjk9VEgGAj3qsH";
+    git.signing.key = "848D71DE0590C199";
+  };
+  pi4 = {
+    system = "aarch64-linux";
+    wayland.enable = false;
+    ssh.publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJE9m7YiITe1sDqSZ7Pa8luIw3WToLsypixZEqE4wCQE";
+    address.private = common.localIpAddr 188;
+    git.signing.key = "E3FA0E995C0D0E5E";
+  };
+  homelab = {
+    ssh.publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIARDv5nRlfPDXdV+Db4FaqeSJZ3/3MO0frYGzuVeqYAl";
+    address.private = common.localIpAddr 231;
+    address.tailnet = common.tailnetAddr "admin";
+  };
+  nidaros = {
+    wayland.enable = false;
+    ssh.publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILw1iNuPnX9NGt+UAvBDzkk26d1e4nF+XX2FMm+IRWtt";
+    address.private = common.localIpAddr 228;
+  };
+}