updated read

Author: Mark

README.md

@@ -114,10 +114,6 @@ you have to set `data` attribute
 - change data? 2 options
  1. use slick event handler: ```slickAdd("<div>HTML</div>")``` function
  2. update data object directly.
- 
-> it will re-init slick, so it will affect site height when destroying slick. 
-> Also, it CANNOT use `track by $index`
-> i will figure out it.
 
 
 ### Global config ###