Update README
Update README

Thanks to Iqbal Ansari for adding support for reading piped data in `emacs -Q
-nw`.

https://www.reddit.com/r/emacs/comments/67aiv4/a_better_less_using_emacs_viewmode_as_substitute/dgqkj1q/

https://github.com/kaushalmodi/eless/pull/2

kaushalmodi/eless