fix 403 sponsor folder

cansat/pages/sponsor/index.tsx

@@ -11,19 +11,19 @@ import {Image} from "@heroui/image";
 const list = [
     {
         title: "Sensoneo",
-        img: "/sponsor/sensoneo.png",
+        img: "/sponsors/sensoneo.png",
         link: "https://www.sensoneo.com",
 
     },
     {
         title: "Needronix",
-        img: "/sponsor/needronix.jpg",
+        img: "/sponsors/needronix.jpg",
         link: "https://www.needronix.com",
 
     },
     {
         title: "ZF",
-        img: "/sponsor/zf.png",
+        img: "/sponsors/zf.png",
         link: "https://www.zf.com",
     },
 ];