## Problem
- *Description of why you made this PR*

## Solution
- *And how do you fix that problem*

## PR Status
- [ ] Code finished.
- [ ] Tested with Package_check.
- [ ] Fix or enhancement tested.
- [ ] Upgrade from last version tested.
- [ ] Can be reviewed and tested.

## Validation
---
- [ ] **Code review**
- [ ] **Approval (LGTM)**  
*Code review and approval have to be from a member of @YunoHost/apps group*
- **CI succeeded** : 
[![Build Status](https://ci-apps-dev.yunohost.org/jenkins/job/mastodon_ynh%20-BRANCH-/badge/icon)](https://ci-apps-dev.yunohost.org/jenkins/job/mastodon_ynh%20-BRANCH-/)  
*Please replace '-BRANCH-' in this link by the name of the branch used.*  
*If the PR is from a forked repository. Please provide public results from package_check.*  
When the PR is marked as ready to merge, you have to wait for 3 days before really merging it.