restructured app

setting start state of lab-4

added db connection code assume db is running on port 27017

updated tutorial to account for forking and pulling still no conflict…

… resolution

updated tutorial to account for forking and pulling still no conflict…

… resolution

set start of lab 2

updated lab 2 end

changed site to app

figured this would match the later goal of idex.html becoming an app not a simple page

changed site to app

figured this would match the later goal of idex.html becoming an app not a simple page

the end of lab 1

also minor fix to README.md