Allow attachements in comments

Is your feature request related to a problem? A clear and concise description of what the problem is.

We've had this request by a couple clients. It's also in the Decidim Awesome roadmap.

Now that comments have be re-written in rails it's possible to enhance the comment function.

Describe the solution you'd like

As an admin I want to be able to enable attachement in comments using a config flag on the components config

As a user adding a comment when attachements are enabled I have an upload button bellow the text field. Once the comment is published the attachement displays under the text as link inside an attachement box. (See attachements)

Describe alternatives you've considered

No

Additional context

Comment were re-written in rails : https://meta.decidim.org/processes/roadmap/f/122/proposals/14369 https://github.com/decidim/decidim/pull/6498

Does this issue could impact on users private data?

No

Funded by

Might be funded by CNRHR