Fix mangohud plus other stuff

modules/common-desktop/mangohud/default.nix

@@ -0,0 +1,9 @@
+{pkgs, ...}: {
+  environment = {
+    systemPackages = [pkgs.mangohud];
+    sessionVariables = {
+      MANGOHUD = "1";
+      MANGOHUD_CONFIGFILE = ./mangohud.conf;
+    };
+  };
+}

modules/common-desktop/mangohud/mangohud.conf

@@ -0,0 +1,31 @@
+gpu_stats=1
+gpu_text=GPU
+gpu_load_change=1
+gpu_load_value=50,90
+gpu_load_color=FFFFFF,FFAA7F,CC0000
+
+cpu_text=CPU
+cpu_color=2e97cb
+cpu_load_change=1
+core_load_change=1
+cpu_load_value=50,90
+cpu_load_color=FFFFFF,FFAA7F,CC0000
+
+vram=1
+vram_color=ad64c1
+
+fps=1
+frametime=0
+frame_timing=0
+engine_color=eb5b5b
+
+gpu_name=1
+gpu_color=2e9762
+
+font_size=24
+table_columns=2
+round_corners=10
+text_color=ffffff
+background_alpha=0.4
+position=bottom-right
+background_color=020202

modules/common-desktop/packages.nix

@@ -26,6 +26,7 @@
     prismlauncher
     android-studio
     mission-center
+    nodePackages_latest.pnpm
     hunspellDicts.en_CA-large
     inputs.nix-gaming.packages.${system}.wine-ge
   ];

modules/common-desktop/variables.nix

@@ -1,5 +0,0 @@
-{
-  environment.sessionVariables = {
-    MANGOHUD = "1";
-  };
-}