fix(add employee): fix Employee service
fix(manager view): fix role filter, added buttons, select users
fix(ndoe routes): added middleware to all routes, refactor middleware, refactore angular controllers
feat(): spinner on save button when saving
feat(DELETE project): added route on both sides
fix(DELETE employee): fix node service, tested
feat(user view): modified View mode to indicate when role is user. node send only specific user's data, modified buttons to fit user permisssions