Adds react 16 as being supported.

Author: ctrlplusb

package.json

@@ -26,7 +26,7 @@
     "test:coverage:deploy": "npm run test:coverage && codecov"
   },
   "peerDependencies": {
-    "react": "^0.14.0 || ^15.0.0"
+    "react": "^0.14.0 || ^15.0.0 || ^16.0.0"
   },
   "devDependencies": {
     "app-root-dir": "1.0.2",