Add Cloud Native Romania (#1220)

Add Cloud Native Romania

README.md

@@ -431,6 +431,7 @@ All the data (past and coming) are available publicly in JSON:
 * 2: [Stir Trek 2025](https://stirtrek.com) - Columbus, OH (USA)
 * 4-7: [Leaders In Tech 2025](https://www.leaders-in.tech/) - Tel Aviv (Israel) <a href="https://sessionize.com/leaders-in-tech25/"><img alt="CFP Leaders In Tech 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2031-December-2024&color=green"></a>
 * 5-6: [GopherCon Latam 2025](https://gopherconlatam.org) - Florianópolis (Brazil) <a href="https://www.papercall.io/gopherconlatam2025"><img alt="CFP GopherCon Latam 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2006-November-2024&color=red"></a>
+* 5-6: [Cloud Native Days Romania](https://cloudnativedays.ro/) - Bucharest (Romania) <a href="https://sessionize.com/cloud-native-days-2025"><img alt="CFP Cloud Native Days Romania" src="https://img.shields.io/static/v1?label=CFP&message=until%2031-January-2025&color=green"></a>
 * 7-9: [Devoxx UK](https://www.devoxx.co.uk/) - London (UK) <a href="https://devoxxuk25.cfp.dev/#/"><img alt="CFP devoxx uk 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2010-January-2025&color=green"></a>
 * 8: [Conf42.com Machine Learning 2025](https://www.conf42.com/ml2025) - Online <a href="https://www.papercall.io/conf42-machine-learning-2025"><img alt="CFP Conf42.com Machine Learning 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2007-April-2025&color=green"></a>
 * 9: [Weblica 2025](https://weblica.hr/) - Strigova (Croatia) <a href="https://sessionize.com/weblica-2025"><img alt="CFP Weblica 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2016-February-2025&color=green"></a>