expressjs: Create basic node structure with express

Signed-off-by: Filipe Leuch Bonfim <flb09@inf.ufpr.br>
expressjs: Create hello route

Signed-off-by: Filipe Leuch Bonfim <flb09@inf.ufpr.br>
expressjs: Create hello route with a dynamic parameter

Signed-off-by: Filipe Leuch Bonfim <flb09@inf.ufpr.br>