added gaming user to bob

systems/bob/default.nix

@@ -1,6 +1,7 @@
 {
   imports = [
     ../../users/richie
+    ../../users/gaming
     ../../common/global
     ../../common/optional/desktop.nix
     ../../common/optional/docker.nix

users/gaming/systems/bob.nix

@@ -0,0 +1,6 @@
+{
+  imports = [
+    ../home/global.nix
+    ../home/firefox.nix
+  ];
+}