apps: Add Unreal Engine support

modules/home/editors/vscode.nix

@@ -41,13 +41,27 @@ in
             userSettings = commonSettings;
           };
 
-          C_CPP = {
+          "C/C++" = {
             extensions =
               with pkgs.vscode-extensions;
               commonExtensions
                 ++ [ ms-vscode.cpptools ];
           };
 
+          "C#" = {
+            extensions =
+              with pkgs.vscode-extensions;
+              commonExtensions
+                ++ [ ms-dotnettools.csdevkit ];
+          };
+
+          "Unreal Engine" = {
+            extensions =
+              with pkgs.vscode-extensions;
+              commonExtensions
+                ++ [ ms-vscode.cpptools ms-dotnettools.csdevkit ];
+          };
+
           Phoenix = {
             extensions =
               with pkgs.vscode-extensions;

modules/system/apps/lutris.nix

@@ -3,6 +3,13 @@
 with lib;
 let
   cfg = config.modules.system.apps.lutris;
+
+  lutris = pkgs.lutris.override {
+    extraLibraries = pkgs: with pkgs; [
+      # For Unreal Engine Fab Plugin
+      nspr
+    ];
+  };
 in
 {
   options.modules.system.apps.lutris = {