Adding .gitignore file.

Addding and intializing gitignore file in repo

Signed-off-by: Yousef Hamza <jo.adam.93@gmail.com>
Merge branch 'master' of https://github.com/Gehadelrobey/Chasing_words.git
Merge branch 'master' of https://github.com/Gehadelrobey/Chasing_words