feat: add Mobilis In Mobile 2025

Author: RobinCaroff

README.md

@@ -405,6 +405,7 @@ All the data (past and coming) are available publicly in JSON:
 * 16-19: [GopherCon Europe 2025: Summer Edition in Berlin](https://gophercon.eu) - Berlin (Germany)
 * 16-20: [Codegarden 2025](https://codegarden.umbraco.com/) - Odense (Denmark) <a href="https://sessionize.com/codegarden-week-2025"><img alt="CFP Codegarden 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2014-February-2025&color=green"></a>
 * 18-21: [SQLBits 2025 - General Sessions](https://sqlbits.com/speak/) - London (UK) <a href="https://sessionize.com/sqlbits-2025-general-sessions"><img alt="CFP SQLBits 2025 - General Sessions" src="https://img.shields.io/static/v1?label=CFP&message=until%2013-January-2025&color=green"></a>
+* 17: [Mobilis In Mobile](https://mobilis-in-mobile.io/) - Nantes (FR) <a href="https://conference-hall.io/mobilis-in-mobile-2025"><img alt="CFP Mobilis In Mobile 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2006-April-2025&color=green"></a>
 * 19: [Conf42.com Quantum Computing 2024](https://www.conf42.com/quantum2025) - Online <a href="https://www.papercall.io/conf42-quantum-computing-2025"><img alt="CFP Conf42.com Quantum Computing 2024" src="https://img.shields.io/static/v1?label=CFP&message=until%2019-May-2025&color=green"></a>
 * 19: [Brighton Ruby 2025](https://brightonruby.com/) - Brighton (UK)
 * 19-20: [Voxxed Days Luxemburg](https://luxembourg.voxxeddays.com/fr/) - Luxembourg (Luxembourg)