gnucash-docs maint: Replace "Online Quote Setup" instructions in Guide by links to the manual chapter

[Frank H.Ellenberger]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/7a108b11 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/2f410033 (commit)



commit 7a108b111e9ccc2516ad621233554406f415ba85
Author: Frank H. Ellenberger <frank.h.ellenberger at gmail.com>
Date:   Tue Oct 25 23:33:15 2022 +0200

    Replace "Online Quote Setup" instructions in Guide by links to the
    manual chapter
    
    https://lists.gnucash.org/logs/2022/10/14.html#T15:47:06



Summary of changes:
 guide/C/ch_invest.xml | 124 ++++----------------------------------------------
 1 file changed, 8 insertions(+), 116 deletions(-)