Add wivrn

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/configs/user/gui/gaming/wivrn/default.nix

@@ -0,0 +1,33 @@
+{ user, home }:
+{ pkgs, ... }:
+{
+  services = {
+    udev.packages = with pkgs; [ android-udev-rules ];
+
+    avahi = {
+      enable = true;
+      openFirewall = true;
+      publish = {
+        enable = true;
+        userServices = true;
+      };
+    };
+  };
+
+  networking.firewall = {
+    allowedTCPPorts = [ 9757 ];
+    allowedUDPPorts = [ 9757 ];
+  };
+
+  environment = {
+    systemPackages = with pkgs; [ wivrn ];
+
+    pathsToLink = [ "/share/openxr" ];
+    etc."xdg/openxr/1/active_runtime.json".source = "${pkgs.wivrn}/share/openxr/1/openxr_wivrn.json";
+
+    persistence = {
+      "/persist/cache"."${home}/.cache/wivrn" = { };
+      "/persist/state"."${home}/.config/wivrn" = { };
+    };
+  };
+}