docs: initial creation of installation instructions
docs: initial creation of installation instructions

This is a rough outline of the steps required to build and install OverC.
It is incomplete, but serves as our baseline instructions.

Signed-off-by: Bruce Ashfield <284cc737d174a260eec2a2a6324a304f84b1ae0f@windriver.com>

OverC/meta-overc,WindRiver-OpenSourceLabs/meta-overc,WindRiver-OpenSourceLabs/meta-overc,mufeng/meta-overc,OverC/meta-overc,paw3142/meta-overc-1,masselstine/meta-overc,OverC/meta-overc,jwessel/meta-overc,jwessel/meta-overc,mufeng/meta-overc,masselstine/meta-overc,mufeng/meta-overc,OverC/meta-overc,masselstine/meta-overc,OverC/meta-overc,paw3142/meta-overc-1,masselstine/meta-overc,OverC/meta-overc,jwessel/meta-overc,WindRiver-OpenSourceLabs/meta-overc