add mainloop.js export

types/mainloop.js/index.d.ts

@@ -3,6 +3,10 @@
 // Definitions by: Isaac Sukin <http://isaacsukin.com>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
+declare module 'mainloop.js' {
+    export default MainLoop;
+}
+
 /**
  * Interface for the MainLoop.js global.
  *

types/mainloop.js/tsconfig.json

@@ -20,4 +20,4 @@
         "index.d.ts",
         "mainloop.js-tests.ts"
     ]
-}
+}