gnucash-docs stable: Release Documentation for GnuCash 5.12.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/c6eaca05 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/d437104e (commit)



commit c6eaca058d8bc0d2e5780099f463dfb1b5a683bb
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Jun 27 10:11:19 2025 -0700

    Release Documentation for GnuCash 5.12.



Summary of changes:
 C/guide/index.docbook    | 11 +++++++++++
 C/manual/index.docbook   | 12 ++++++++++++
 CMakeLists.txt           |  2 +-
 ChangeLog                | 44 ++++++++++++++++++++++++++++++++++++++++++++
 NEWS                     |  4 ++++
 de/guide/index.docbook   | 11 +++++++++++
 de/manual/index.docbook  | 11 +++++++++++
 docbook/gnc-docbookx.dtd |  6 +++---
 it/guide/index.docbook   | 12 ++++++++++++
 it/manual/index.docbook  | 12 ++++++++++++
 ja/guide/index.docbook   | 12 ++++++++++++
 pt/guide/index.docbook   | 12 ++++++++++++
 pt/manual/index.docbook  | 12 ++++++++++++
 zh/guide/index.docbook   |  9 +++++++++
 14 files changed, 166 insertions(+), 4 deletions(-)