draft link stub in https://ovis-hpc.readthedocs.io/en/latest/ldmscon.html

[jennfshr]

We need to update with the right link.

[jennfshr]

@vsurjadidjaja @Snell1224 is https://sites.google.com/view/ldmscon the intended link, or is that supposed to point to a mailinglist subscription page?

[jennfshr]

@vsurjadidjaja @Snell1224 is https://sites.google.com/view/ldmscon the intended link, or is that supposed to point to a mailinglist subscription page?

https://github.com/ovis-hpc/ovis-wiki/wiki/Mailing-Lists seems maybe appropriate, though I would hope that this would eventually get moved to the readthedocs.