Add Atell Krasnopolsky's team page and fix the corresponding image link (#177)

Author: gojakuch

_data/contributors.yml

@@ -215,7 +215,7 @@
       mentors: Vassil Vassilev, Wim Lavrijsen, Aaron Jomy, Jonas Rembser
 
 - name: "Atell Yehor Krasnopolski"
-  photo: Atell.jpeg
+  photo: Atell.jpg
   info: "GSoC 2024 Contributor"
   email: [email protected]
   education: "Mathematics, University of Wuerzburg, Germany"

_pages/team/atell-krasnopolsky.md

@@ -0,0 +1,10 @@
+---
+title: "Compiler Research - Team - Atell Yehor Krasnopolski"
+layout: gridlay
+excerpt: "Compiler Research: Team members"
+sitemap: false
+permalink: /team/AtellYehorKrasnopolski
+email: [email protected]
+---
+
+{% include team-profile.html %}