Adds Navbar, Creation, Login and Dashboard pages with associated routing
Adds server and routes to allow for checking for account existing and creation (creation and log in is untested and requires more worked to handle error responses).
Removes commons from python and replaces with the env file instead
Closes: #5 Closes: #8 Closes: #15 Signed-off-by: Morgan Davies morgan.davies@students.plymouth.ac.uk