Add sv_disableCustomClasses

data/cdata/ui_scripts/classes/__init__.lua

@@ -0,0 +1,13 @@
+if (Engine.InFrontend()) then
+    return
+end
+
+local getclasscount = Cac.GetCustomClassCount
+Cac.GetCustomClassCount = function(...)
+    local value = Engine.GetDvarBool("sv_disableCustomClasses")
+    if (value) then
+        return 0
+    end
+
+    return getclasscount(...)
+end