Review 23677

C. Thomas Tyler
Added commentdicating that these scrits serve as a guide defining
best practices configurables for a production environment.  Also
added a handy URL to bookmark documenting many configurables:

https://www.perforce.com/perforce/doc.current/manuals/cmdref/Content/CmdRef/configurables.configurables.html

No functional change.
#2: Change 23679 committed into //guest/perforce_software/sdp/dev/Server/setup 2 0 0
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