Tested and working :)
@@ -0,0 +1,8 @@
+$HTTP["host"] == "example.com" {
+ server.document-root = vhosts_dir + "/example.com/htdocs"
+
+ url.rewrite-final = (
+ "^/Themes/[^/]+/Assets/.+$" => "$0",
+ "^/(.+)$" => "/index.php/$1"
+ )
+}