Update documentation links on other platforms

[bjoyce3]

Update to include new documentation links:

• UAB RC website "We're here to help you"
• rc.uab.edu message of the day in OOD (code here: https://github.com/wwarriner/slurm_status_tools) -- Include spaces for the table to separate columns correctly (https://github.com/uabrc/CRI_XCBC/issues/85) -- Include number of GPUs on partitions -- Add CPUs per node and/or remove nodes (leave nodes per user) -- Usable memory per node
• Terminal Message of the Day -- Get access to that
• Update Cheaha and Cloud registration messages with new documentation and table for partitions

[wwarriner]

Taking a closer look, these are all complete.