added rspec in gemfile and remove sqlite
commenting out active record as database is not necessary
added rspec for testing
adding local environment file

This is just a commented file which can be used for development.
This file will be ignore in the later commits in the gitignore file
ignoring local_env file in gitignore which contains apikey

use this command below to ignore updating local_env.yml file
git update-index --assume-unchanged config/local_env.yml