chore: add cross origin isolation headers to vercel

Author: SamVerschueren

vercel.json

@@ -261,6 +261,19 @@
     }
   ],
   "headers": [
+    {
+      "source": "/(.*)",
+      "headers": [
+        {
+          "key": "Cross-Origin-Embedder-Policy",
+          "value": "credentialless"
+        },
+        {
+          "key": "Cross-Origin-Opener-Policy",
+          "value": "same-origin"
+        }
+      ]
+    },
     {
       "source": "/fonts/(.*).woff2",
       "headers": [