chore(release): 2.8.1 [skip ci]

## [2.8.1](https://github.com/react-native-community/react-native-webview/compare/v2.8.0...v2.8.1) (2018-11-20)

### Bug Fixes

* **WKWebView:** Fix the message handle bug. ([#143](https://github.com/react-native-community/react-native-webview/issues/143)) ([2b9292e](https://github.com/react-native-community/react-native-webview/commit/2b9292e))

package.json

@@ -8,7 +8,7 @@
     "Thibault Malbranche <malbranche.thibault@gmail.com>"
   ],
   "license": "MIT",
-  "version": "2.8.0",
+  "version": "2.8.1",
   "homepage": "https://github.com/react-native-community/react-native-webview#readme",
   "scripts": {
     "test:ios:flow": "flow check",