doc: add links to Postgres features intro

Bruce Momjian <bruce@momjian.us>

Commit: 4d42b4edc6def25cab63894a2d351d597606492d
Author: Bruce Momjian <bruce@momjian.us>
Date: 2023-10-28T18:02:46Z
Releases: 17.0
doc:  add links to Postgres features intro

Reported-by: Elena Indrupskaya

Discussion: https://postgr.es/m/1a666b2e-d373-1c94-1005-1700e023670d@postgrespro.ru

Backpatch-through: master

Files

PathChange+/−
doc/src/sgml/intro.sgml modified +12 −12

Documentation touched