Doxygen docs for Main.cpp

Open-webOS-DCO-1.0-Signed-off-by: Kyle Maas <kylemaasdev@gmail.com>

Change-Id: Ica83f9eaef8c6d6d563dcb7fd28872a3243b62c2
Open-webOS-DCO-1.0-Signed-off-by: KyleMaas <kylemaasdev@gmail.com>