Fix broken links

Author: mathdugre

logos/cihr.jpg assets/logos/cihr.jpglogos/cihr.jpg renamed to assets/logos/cihr.jpg

@@ -4,7 +4,7 @@
   "city": "Montreal",
   "dates": "October 2026",
   "year": "2026",
-  "background_img": "/assets/banner.jpg",
+  "background_img": "https://raw.githubusercontent.com/BrainhackMTL/fall2026/refs/heads/main/assets/banner.jpg",
   "color_theme": {
     "primary": "rgb(0, 103, 165)",
     "primary_hover": "rgb(123, 175, 222)",
@@ -157,7 +157,7 @@
     {
       "name": "CIHR",
       "url": "https://cihr-irsc.gc.ca/e/193.html",
-      "logo": "/logos/cihr.jpg",
+      "logo": "https://raw.githubusercontent.com/BrainhackMTL/fall2026/refs/heads/main/assests/logos/cihr.jpg",
       "level": "champion",
       "height": "200px"
     }