added screencast

README.md

@@ -1,2 +1,25 @@
-# followcursor-mode
-Emacs mode to highlight line in other buffer containing word in current buffer
+# followcursor-mode - highlight line in other buffer containing word in current buffer
+
+*Author:* T.v.Dein <tlinden@cpan.org><br>
+*URL:* [https://github.com/tlinden/followcursor](https://github.com/tlinden/followcursor)<br>
+
+## Screenshot:
+
+![demo](imgs/followcursor-mode-screencast.gif)
+
+## Usage:
+
+To use, first add to your config:
+
+        (require 'followcursor-mode
+
+Then prepare two windows with different buffers, enable the mode
+in one of them with:
+
+        (followcursor-mode)
+
+Move around in that buffer as you wish. Whenever `point` is on a
+match, it will be highlighted in both buffers.
+
+
+