Added Screenshot-1

git-svn-id: https://plugins.svn.wordpress.org/easy-reading-mode/trunk@1021509 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added Screenshot-2

git-svn-id: https://plugins.svn.wordpress.org/easy-reading-mode/trunk@1021510 b8457f37-d9ea-0310-8a92-e5e31aec5664
Delete Assets folder in the plugin directory.

git-svn-id: https://plugins.svn.wordpress.org/easy-reading-mode/trunk@1021511 b8457f37-d9ea-0310-8a92-e5e31aec5664