Add precision on values a user see

[acastellane]

URL to the relevant guide or resource

https://quantum.cloud.ibm.com/docs/en/guides/estimate-job-run-time#view-instance-usage

Select all that apply

• new content request
• typo
• code bug
• out-of-date content
• broken link
• other

Describe the fix or the content request.

We should increase the level of documentation for each value the user sees when looking at instance details.
Like Instance / Cycle usage / Time remaining / Time allocated and Current cycle (UTC).
The word "Rolling" could be linked to https://quantum.cloud.ibm.com/docs/en/guides/fair-share-scheduler#fair-share-terms

For new content requests - if the request is accepted, do you want to write the content?

I only want to review the material when it's finished