odoo/documentation#12577

Created by Carlos Valverde (cvs)
Merged at adac5615c3c0dc01afb7b43b0fbeeabb72486d85

Statuses:

label
odoo-dev:17.0-website-howto-theming-cvs
head
d0c3021e30e3125320560bdb3f967e76e9c16c88
merged
4 days ago by Carlos Valverde (cvs)
odoo/documentation
17.0 #12577
saas-17.4 #12669 missing r+
18.0 #12670 missing r+
saas-18.1 #12671 missing r+
saas-18.2 #12672 missing r+
master #12673 missing r+

[IMP] howto/website: update `theming` page

This PR updates current theming page, by adding updated content.

task-4316619