Deprecation notice: Version 2.0

Since this repro is no longer maintained, I figured it would be best to add a notice in the readme.

The new 2.0 version features:

1. a grunt build that includes jshint
1. bower support
1. provides accent insensitive search
1. any many more to come...

You can download the new version here: <https://github.com/DeuxHuitHuit/quicksearch/>