Add `gitmulticast-fetch`
Add `gitmulticast-fetch`

This will be used in a cronjob.
The intent here is to add something to ps1 to show the repo is OUTDATED

Signed-off-by: Milhouse <d4d5da4143815a8d9a95e01de54d9fa4b1015f55@gmail.com>

rranelli/linuxsetup,rranelli/linuxsetup,rranelli/linuxsetup