Update docs for CLI configuration
Update docs for CLI configuration

Describe the function and values for default_vrf_rt and
default_list_vrf_rt.

plajjan/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,garberg/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,plajjan/NIPAP,bbaja42/NIPAP,garberg/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,SoundGoof/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,ettrig/NIPAP,garberg/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,garberg/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,SpriteLink/NIPAP,fredsod/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,plajjan/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,garberg/NIPAP,plajjan/NIPAP,SpriteLink/NIPAP