Added Elisp version of the kata

[MGadhvi]

READ ME BEFORE SUBMITTING A PR

Please do not submit a PR with your solution to the Gilded Rose Kata. This repo is intended to be used as a starting point for the kata.

• [x] I acknowledge that this PR is not a solution to the Gilded Rose Kata, but an improvement to the template.
• [x] I acknowledge that I have read CONTRIBUTING.md

Please provide your PR description below this line

Added elisp version of the kata. PR contains source code, test file with one failing test and readme file

[codecop]

For future there is no need to create a new pr. New commits appear in the pr automatically. Continues in #574