updated readme

Author: dabit3

README.md

@@ -71,3 +71,8 @@
   type='twitter'
 />
 ```
+
+| prop | default | type | description |
+| ---- | ---- | ----| ---- |
+| component | TouchableHighlight | React Native Component | Type of button |
+| type | none | social media type (facebook, twitter, google-plus-official, pinterest, linkedin, youtube, vimeo, tumblr, instagram, quora, foursquare, wordpress, stumbleupon) | social media type |

src/components/social/SocialIcon.js

@@ -12,7 +12,7 @@ let styles
 const colors = {
   facebook: '#3b5998',
   twitter: '#00aced',
-  googlePlus: '#dd4b39',
+  ['google-plus-official']: '#dd4b39',
   pinterest: '#cb2027',
   linkedIn: '#007bb6',
   youtube: '#bb0000',