-start clarifying "Getting Started"

README.md

@@ -44,6 +44,11 @@ TBD:  On first PI:
 * connect to Comcast network to access Github Enterprise
 * install updates
 * set password for *pi* account
+* add *pi" to sudo group (for generic Ubuntu VM)
+  * usermod -a -G sudo pi
+* remove password requirement for sudo group
+  * sudo visudo
+  * change line "%sudo   ALL=(ALL:ALL) ALL" to "%sudo   ALL=(ALL:ALL) NOPASSWD: ALL"
 * git clone this repo
 * edit hosts per example