[FR] Implement Luciole font

### Description

I'm used to installing the Luciole font everywhere (i.e. os, web browser) because it really makes the reading easier. It would be great to implement it in AppFlowy since, from what I understand, system fonts are not usable.

### Impact

The ease of reading is greatly affected by the font displayed. Given that AppFlowy is a word processor application, focusing on this detail seems very important to me.

### Additional Context

> Luciole aims to facilitate both optimal readability for visually impaired people and efficient deployment by publishing professionals. **The Luciole font is now used by specialized reference publishers but also by transcribers, teachers, developers.**

> Luciole is the result of a two-year collaboration between the french Regional Technical Center for Visual Impairment and the type-design studio typographies.fr, this project received a grant from the Swiss Ceres Foundation and support from the DIPHE french laboratory at the Université Lumière Lyon 2.

https://www.luciole-vision.com/luciole-en.html