Switch to hyprland flake

hosts/common/cachix.nix

@@ -0,0 +1,6 @@
+{ pkgs, ... }: {
+  nix.settings = {
+    substituters = [ "https://hyprland.cachix.org" ];
+    trusted-public-keys = [ "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc=" ];
+  };
+}

hosts/common/default.nix

@@ -0,0 +1,5 @@
+{ inputs, self, pks, ... }: {
+  imports = [
+    ./cachix.nix
+  ];
+}

hosts/gunter/configuration.nix

@@ -4,6 +4,7 @@
   imports = [
     ./hardware-configuration.nix
     ../../system/monitoring.nix
+    ../common
   ];
 
   # Sops stuff
@@ -93,6 +94,7 @@
   services.xserver.windowManager.i3.enable = true;
   programs.hyprland = {
     enable = true;
+    package = inputs.hyprland.packages.${pkgs.system}.hyprland;
     xwayland.enable = true;
     portalPackage = pkgs.xdg-desktop-portal-hyprland;
   };

hosts/magicman/configuration.nix

@@ -1,7 +1,10 @@
 { config, lib, pkgs, ... }:
 
 {
-  imports = [ ./hardware-configuration.nix ];
+  imports = [
+    ./hardware-configuration.nix
+    ../common
+  ];
 
   # Bootloader stuff
   boot.kernelParams = [