CISM CESM3 spin up to-dos

[Katetc]

• Chat with Gunter about where we're at
• Set up a git hub repo for experiment documentation
• Document spin-up workflow
• Register for LIWG winter working group meeting?
• When is CESM3 code freeze?
• CISM slowdown in alpha08b - run longer tests with performance baselines? Check the last aux_glc suite results.
• CISM slowdown - update Bill with specified basal sliding parameters.