This commit extracts the pre-defined section shapes from blocks into
templates that are dedicated to being used by the configurator.
For blocks that are not used in configurator pages, the configurator
templates have not been created.
task-3381714
Part-of: odoo/design-themes#692
Since the redesign of the original banner snippet, the customizations
made in theme_treehouse have had to be adapted.
task-3097005
Part-of: odoo/design-themes#687
This commit updates the theme to improve the design with new colors, new
pictures and new snippet customizations.
task-2542281
X-original-commit: e18a0ff128
Part-of: odoo/design-themes#501
Benoit Socias