[OpenSIPS-Devel] [OpenSIPS/opensips] aadd70: cachedb_local: Improve "cache_collections" docs

[Liviu Chircu]

  Branch: refs/heads/2.4
  Home:   https://github.com/OpenSIPS/opensips
  Commit: aadd708313f9c8b947f103d508878d066c271f11
      https://github.com/OpenSIPS/opensips/commit/aadd708313f9c8b947f103d508878d066c271f11
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2021-01-25 (Mon, 25 Jan 2021)

  Changed paths:
    M modules/cachedb_local/doc/cachedb_local_admin.xml

  Log Message:
  -----------
  cachedb_local: Improve "cache_collections" docs

The "default" collection always gets created, even when not included in
the list of collections.

(cherry picked from commit 8fcb97e4f39f91d70b62ad53e76b9d864201f0a4)