Hubitat Package Manager HPM makes it easy to install and update lots of drivers and apps.
https://community.hubitat.com/t/beta-hubitat-package-manager
As for adding a neutral, you are probably going to have to fish new romex through your walls. Or hire an electrician to rewire the house. I haven't done it before and I don't know how your house is wired, so it is hard to say for sure.
