Updated install doc now that there is a bundles.yml file.
Updated install doc now that there is a bundles.yml file.

eXpansionPluginPack/eXpansionPluginPack.github.io,eXpansionPluginPack/eXpansionPluginPack.github.io,eXpansionPluginPack/eXpansionPluginPack.github.io