gnucash-docs master: Update documentation for integrating price quotes into gnucash-cli.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/1eaf2765 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/ad591751 (commit)



commit 1eaf27655791cd8334d42842363f3d68ad957fb4
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Oct 16 13:08:28 2022 -0700

    Update documentation for integrating price quotes into gnucash-cli.



Summary of changes:
 docbook/gnc-docbookx.dtd      |   4 +-
 guide/C/ch_invest.xml         |   3 +-
 manual/C/ch_Finance-Quote.xml | 335 ++++++++++++------------------------------
 3 files changed, 99 insertions(+), 243 deletions(-)