feat: add Julien Lagace's profile and image to the people section.

Author: Julien-Lagace

assets/images/people/julien-lagace.jpg

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+---
+name: Julien Lagacé
+role: msc
+title: Master's Student
+photo: julien-lagace.jpg
+short_bio: Master's student working on improving vehicle localization through the fusion of visual data, public map data and GPS.
+supervisor: Pierre-Yves Lajoie
+tags: [Navigation & Localization, Autonomous Robotics, Robotic Perception]
+order: 2
+email: julien.lagace@polymtl.ca
+github: Julien-Lagace
+linkedin: www.linkedin.com/in/julien-lagace-a570801a1
+---
+
+Julien Lagacé started his Master's in computer engineering at Polytechnique Montréal in September 2025, supervised by Pierre-Yves Lajoie. He received his Bachelor's degree in mechanical engineering at the University of Calgary in June 2024. He is interested in navigation & localization, autonomous robotics, and robotic perception.
+
+## Current Work
+
+Julien’s research focuses on developing scalable, high-precision vehicle localization by fusing GPS, visual data, and public map information through machine learning and uncertainty estimation. By addressing the limitations of existing high-density mapping solutions, his work aims to improve localization robustness in complex environments such as urban canyons and tunnels where traditional systems often fail.
+
+## Selected Awards
+
+- Canada Graduate Research Scholarship - Master's Program (2026)
+- Richard J. Schmeelk Canada Fellowship (2025)
+
+## Contact
+
+Reach this person at [email](mailto:julien.lagace@polymtl.ca).