* Greenlight landing page layout adjustments, general cleanup and responsive styles
* Text update Signup to Sign up
* Updated Google Sign in and Sign up styles
* no changes were made to sample env but needed to commit it
* minor padding update on the Google icon
* deleted Google Auth secrets from the sameple.env
* updated the if condition in new.html.erb
* <changed logic of button display>
* Update _login_modal.html.erb
