proper format defined

Author: capaj

package.json

@@ -1,8 +1,11 @@
 {
   "name": "react-promise",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "react.js component for dealing with promises",
   "main": "async.js",
+  "jspm": {
+    "format": "esm"
+  },
   "scripts": {
     "test": "node run-tests",
     "pretest": "node_modules/.bin/standard",