added flake.nix

flake.nix

@@ -0,0 +1,47 @@
+{
+  description = "A simple NixOS flake for a single system architecture.";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+
+    hyprland = {
+      url = "github:hyprwm/Hyprland";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+  }: let
+    # A list of supported systems. We are restricting this to x86_64-linux.
+    supportedSystems = ["x86_64-linux"];
+
+    # A helper function to apply a function to each supported system.
+    # This ensures that all outputs are only built for x86_64-linux.
+    eachSupportedSystem = f:
+      nixpkgs.lib.genAttrs supportedSystems (system: let
+        pkgs = import nixpkgs {
+          inherit system;
+        };
+      in
+        f pkgs);
+  in {
+    # This output defines the NixOS modules.
+    # It points to the `./modules` directory, which would contain your system configuration.
+    nixosModules = rec {
+      default = illogical-impulse;
+      illogical-impulse = ./nix/modules;
+    };
+
+    # The legacyPackages output is required for some Nix commands to work.
+    # We set it to the standard nixpkgs set for our supported system.
+    legacyPackages = eachSupportedSystem (pkgs: pkgs);
+    devShells = eachSupportedSystem (pkgs: {
+      default = pkgs.mkShell {
+        packages = [
+        ];
+      };
+    });
+  };
+}