feat: remove x86_64-darwin, add new nixos host on macbook pro m2

outputs/aarch64-linux/tests/hostname/expected.nix

@@ -0,0 +1,14 @@
+{
+  lib,
+  outputs,
+}: let
+  specialExpected = {
+    "shoukei-hyprland" = "shoukei";
+  };
+  specialHostNames = builtins.attrNames specialExpected;
+
+  otherHosts = builtins.removeAttrs outputs.nixosConfigurations specialHostNames;
+  otherHostsNames = builtins.attrNames otherHosts;
+  # other hosts's hostName is the same as the nixosConfigurations name
+  otherExpected = lib.genAttrs otherHostsNames (name: name);
+in (specialExpected // otherExpected)

outputs/aarch64-linux/tests/hostname/expr.nix

@@ -0,0 +1,9 @@
+{
+  lib,
+  outputs,
+}:
+lib.genAttrs
+(builtins.attrNames outputs.nixosConfigurations)
+(
+  name: outputs.nixosConfigurations.${name}.config.networking.hostName
+)