pgsql: doc: Add section "Options" for pg_controldata

doc: Add section "Options" for pg_controldata

Adding this section brings consistency with the pages of other tools,
potentially easing the introduction of new options in the future as
these are now showing in the shape of a list.

Author: Peter Smith <smithpb2250(at)gmail(dot)com>
Reviewed-by: Andreas Karlsson <andreas(at)proxel(dot)se>
Discussion: https://postgr.es/m/CAHut+PtSF5AW3DHpYA-_muDLms2xBUzHpd545snVj8vFpmsmGg@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/ee465848846efe6da0c73c99a0fcde6982831468

Modified Files
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doc/src/sgml/ref/pg_controldata.sgml | 45 ++++++++++++++++++++++++++++++++----
1 file changed, 40 insertions(+), 5 deletions(-)