Clarified Puma configuration settings
What does this MR do?
Clarifies and restructures the Puma configuration instructions.
Related issues
Closes gitlab#207189 (closed)
Changing the header title?
- [-] Is it completely necessary to change the title? Changing titles breaks deep linking. If yes, proceed further.
- [-] Move the old heading title to the bottom of the page.
- [-] Change the header tag to h5,
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