Add one-line installation to Geo docs
What does this Merge Request do and why?
Adds the instructions for how to do a one-line configuration for a second Geo instance.
Merge Request checklist
-
This change is backward compatible. If not, please include steps to communicate to our users. -
Documentation added/updated, if needed. -
Add the ~highlight
label if this MR should be included in theCHANGELOG.md
.