doc: edit readme

Author: wangdicoder

.npmignore

@@ -0,0 +1,2 @@
+# Created by .ignore support plugin (hsz.mobi)
+screenshot.gif

README.md

@@ -4,6 +4,8 @@
 
 **React Native Progress WebView** is a wrapper of [React Native WebView](https://github.com/react-native-community/react-native-webview) to provide the loading status.
 
+<img src="https://raw.githubusercontent.com/wangdicoder/react-native-progress-webview/master/screenshot.gif" width="326" height="576" />
+
 ## Platforms Supported
 
 - [x] iOS (both UIWebView and WKWebView)

package.json

@@ -1,12 +1,20 @@
 {
   "name": "react-native-progress-webview",
-  "version": "0.1.0",
-  "description": "",
+  "version": "1.0.0",
+  "description": "React Native Progress WebView is a wrapper of React Native WebView to provide the loading status.",
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },
-  "keywords": [],
+  "keywords": [
+    "react",
+    "react-native",
+    "react-native-progress-webview",
+    "webview",
+    "progress webview",
+    "loading",
+    "loading bar"
+  ],
   "author": "Di Wang<[email protected]>",
   "license": "MIT",
   "dependencies": {