Add minimal modular setup

flake.nix

@@ -0,0 +1,28 @@
+{
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    home-manager = {
+      url = "github:nix-community/home-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { nixpkgs, home-manager, ... }@inputs:
+    let
+      system = "x86_64-linux";
+
+      pkgs = import inputs.nixpkgs {
+        inherit system;
+      };
+
+      utils = import ./utils.nix { inherit pkgs inputs system; };
+    in with utils; {
+      nixosConfigurations = {
+        muon = mkHost ./hosts/muon/configuration.nix;
+      };
+
+      homeConfigurations = {
+        muon = mkHome ./hosts/muon/home.nix;
+      };
+    };
+}