Nvidia specific lines for nixy.

nodes/hosts/nixy/system/environment.nix

@@ -0,0 +1,13 @@
+{ pkgs, ... }: {
+  environment = {
+    variables = {
+      # Required to run the correct GBM backend for nvidia GPUs on wayland
+      GBM_BACKEND = "nvidia-drm";
+      # Apparently, without this nouveau may attempt to be used instead
+      # (despite it being blacklisted)
+      __GLX_VENDOR_LIBRARY_NAME = "nvidia";
+      # Hardware cursors are currently broken on wlroots
+      WLR_NO_HARDWARE_CURSORS = "1";
+    };
+  };
+}