update readme

Author: nazaninreihani

README.md

@@ -37,7 +37,8 @@ And
 |  `bg-color`           | String    | <b>Default '#333333'</b><br> Accepts all color formats: HEX, RGB & RGBA |
 |  `position`           | String    | <b>Default 'bottom-left'</b> <br>Options: 'bottom-left', 'bottom-right', 'top-left','top-right'  |
 |  `position-type`           | String    | <b>Default 'fixed'</b> <br>Options: 'fixed' or 'absolute'|
-|  `revert-direction`           | Boolean    | <b>Default false'</b> <br> if true the direction of list will be reverted |
+|  `revert-direction`           | Boolean    | <b>Default 'false'</b> <br> if true the direction of list will be reverted |
+|  `auto-reverse`           | Boolean    | <b>Default 'true'</b> <br> if true the direction of list will be reverted when the list is reaching end of the view but the button is available, can be used to prevent the list rendering outside view |
 |  `z-index`            | String    | <b>Default '999'</b> <br>Set any value that suits your needs.  |
 |  `ripple-show`        | Boolean   | <b>Default true</b> <br>Options: true or false.  |
 |  `ripple-color`       | String    | <b>Default 'light'</b> <br>Options: 'light' or 'dark'.  |