created user controller, user's index, new, and edit views, user model, and added rspec files for user model
"Added validation for name and email not being empty and added test cases for them"
"Added maximum length to name (40 characters long) and test cases for it"
"Added a valid email regular expression and a test case for it"
"Duplicate emails are no longer allowed"
"Small fix to ignore lowercase in duplicate emails"
"Fix for simultaneous email submit"
"Support for secure password creation and validation"