settup .env file with client id & client secret, and also register app on github as ga_student_app
added oauth callback and create methods to the user
added in the rest-client gem
added routes for the user oauth paths, and sessions
added the login and out routes and logic to the application layouts file
added in methods to sessions controller, and current_user logic to the application controller
created a temp root of users#show to test oauth, and also create test view page of  users show.html.erb
created an index page instead of show for testing, and updated the routes, and users controller to match the database
oauth is working, and complete. tested myself(amal) as the first user, and if has been saved to db. made a couple of changes to the users cocontroller to match schema
Merge pull request #6 from AmalHussein/oauth

Oauth-is working
fixed merge conflict issues