Misc: Enable nix flakes

hosts/miku.nix

@@ -34,7 +34,7 @@ in mkHost config {
     gajim-mainwindow
     virt-manager unstable.qemu scream
     #gamemode # Custom package
-    key-mapper # Custom package
+    #key-mapper # Custom package
     replaysorcery # Custom package
     #evdev-proxy # Custom package
     vfio-isolate # Custom Package
@@ -104,7 +104,7 @@ in mkHost config {
         WriteResolvConf=false
       '';
       udev = {
-        packages = with pkgs; [ key-mapper ];
+        #packages = with pkgs; [ key-mapper ];
         extraRules = ''
           KERNEL=="uinput", GROUP="input", MODE="0660"
         '';
@@ -125,7 +125,7 @@ in mkHost config {
 
     nix.package = pkgs.nixUnstable;
     nix.extraOptions = ''
-      experimental-options = nix-command flakes ca-references
+      experimental-features = nix-command flakes ca-references
     '';
     
     # TODO: Move into modules
@@ -148,17 +148,17 @@ in mkHost config {
           Restart = "always";
         };
       };
-      key-mapper = {
-        description = "A tool to change the mapping of your input device buttons";
-        wantedBy = [ "default.target" ];
-        serviceConfig = {
-          Type = "simple";
-          ExecStart = "${pkgs.key-mapper}/bin/key-mapper-service";
-          Restart = "always";
-          # NOTE: The Tartarus may not be connected, so don't fail if we cannot set the preset
-          ExecPostStart = "${pkgs.key-mapper}/bin/key-mapper --command start --preset NOOP --device \"Razer Razer Tartarus V2\"; exit 0";
-        };
-      };
+     #key-mapper = {
+     #  description = "A tool to change the mapping of your input device buttons";
+     #  wantedBy = [ "default.target" ];
+     #  serviceConfig = {
+     #    Type = "simple";
+     #    ExecStart = "${pkgs.key-mapper}/bin/key-mapper-service";
+     #    Restart = "always";
+     #    # NOTE: The Tartarus may not be connected, so don't fail if we cannot set the preset
+     #    ExecPostStart = "${pkgs.key-mapper}/bin/key-mapper --command start --preset NOOP --device \"Razer Razer Tartarus V2\"; exit 0";
+     #  };
+     #};
       replaysorcery = {
         description = "An open-source, instant-replay solution for Linux";
         #wantedBy = [ "default.target" ];