refactor: moved nixos modules to dendrite pattern

modules/nixos/hardware.nix

@@ -0,0 +1,36 @@
+{...}: {
+  flake.nixosModules.nixos-hardware = {
+    lib,
+    config,
+    pkgs,
+    ...
+  }: {
+    options.host.hardware = {
+      piperMouse = {
+        enable = lib.mkEnableOption "host has a piper mouse";
+      };
+      viaKeyboard = {
+        enable = lib.mkEnableOption "host has a via keyboard";
+      };
+      openRGB = {
+        enable = lib.mkEnableOption "host has open rgb hardware";
+      };
+      graphicsAcceleration = {
+        enable = lib.mkEnableOption "host has a gpu for graphical acceleration";
+      };
+      directAccess = {
+        enable = lib.mkEnableOption "can a host be used on its own";
+      };
+    };
+    config = lib.mkMerge [
+      (lib.mkIf config.host.hardware.piperMouse.enable {
+        services.ratbagd.enable = true;
+      })
+      (lib.mkIf config.host.hardware.viaKeyboard.enable {
+        hardware.keyboard.qmk.enable = true;
+
+        services.udev.packages = [pkgs.via];
+      })
+    ];
+  };
+}