add es1.ludicrous transformer skeleton

src/babel/transformation/transformers/es1/ludicrous.js

@@ -0,0 +1,5 @@
+import * as t from "../../../types";
+
+export var metadata = {
+  optional: true
+};

src/babel/transformation/transformers/index.js

@@ -102,6 +102,7 @@ export default {
 
   "es6.spec.symbols":                      require("./es6/spec.symbols"),
   "spec.undefinedToVoid":                  require("./spec/undefined-to-void"),
+  "es1.ludicrous":                         require("./es1/ludicrous"),
 
   _strict:                                 require("./internal/strict"),
   _moduleFormatter:                        require("./internal/module-formatter"),