Create a search bar to find users.

[sourabh-rb]

This is user story from #80

• Create a search bar for the front end which enables a user to search for other users.
• Need to have an interface showing list of all users that are similar to the username keyword used in the search
• Implementation: search box
  • Input: name(string)
  • Output: check if the name exists and reroute to the user's page if it exists in the DB.

[djaekim]

This functionality has already been implemented