Create a new model mixins that allow other model to
activate the history feature on html fields.
This history automatically track the changes
on the related html field and allow the user
to revert to a previous version at any time.
This also introduce a new component that can be used to :
* List the recent history
* See a previous version of the document
* Compare a previous version to the current one
* Revert the document to a previous version of it
task-3039787
closesodoo/odoo#112957
Related: odoo/enterprise#37211
Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>
Sébastien Geelen (sge)
10b855ea87