add hosts default.nix

hosts/default.nix

@@ -0,0 +1,30 @@
+{ withSystem, self, inputs, ... }:
+
+let
+  mkNixosConfig = host: platform: user: {
+    "${host}" = self.nixos-flake.lib.mkLinuxSystem {
+      nixpkgs.hostPlatform = "${platform}";
+      imports = [
+        self.nixosModules.base
+        ./${host}
+        self.nixosModules.${user}
+      ];
+    };
+  };
+in
+{
+  flake = {
+    nixosConfigurations = {} //
+      (mkNixosConfig "chonk" "x86_64-linux" "iot") //
+      (mkNixosConfig "companion" "aarch64-linux" "iot") //
+      (mkNixosConfig "cox" "aarch64-linux" "iot") //
+      (mkNixosConfig "cube" "x86_64-linux" "iot") //
+      (mkNixosConfig "falcone" "aarch64-linux" "iot") //
+      (mkNixosConfig "giggles" "aarch64-linux" "iot") //
+      (mkNixosConfig "harrison" "x86_64-linux" "iot") //
+      (mkNixosConfig "norman" "x86_64-linux" "iot") //
+      (mkNixosConfig "redpanda" "x86_64-linux" "iot") //
+      (mkNixosConfig "ringo" "x86_64-linux" "iot") //
+      (mkNixosConfig "surfplace" "x86_64-linux" "iot");
+  };
+}