Update README_fr.md

[madmaxlamenace]

Comment changer d'une version à une autre Team<->Enterprise

Problem

• Changer de la version Entreprise à Team et vice et versa

Solution

• En modifiant le fichier settings et en affectuant la mise à jour de l'application

PR Status

• [ ] Code finished and ready to be reviewed/tested
• [ ] The fix/enhancement were manually tested (if applicable)

Automatic tests

Automatic tests can be triggered on https://ci-apps-dev.yunohost.org/ after creating the PR, by commenting "!testme", "!gogogadgetoci" or "By the power of systemd, I invoke The Great App CI to test this Pull Request!". (N.B. : for this to work you need to be a member of the Yunohost-Apps organization)

[kemenaran]

This looks like something worth to be mentioned in the README, yes.

@ericgaspar are manual edits to the README overwritten by the auto-readme, or is it fine?

[ericgaspar]

I guess we need to use the DISCLAIMER.md file that will generate the README

[ericgaspar]

Changing the Team<->Enterprise setting will be a nice feature to implement with config_panel

[ericgaspar]

superseded by #317