chore: automatic updates by next

Author: LekoArts

demos/default/next-env.d.ts

@@ -1,5 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
+/// <reference types="next/navigation-types/compat/navigation" />
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/basic-features/typescript for more information.

demos/default/tsconfig.json

@@ -16,7 +16,8 @@
       {
         "name": "next"
       }
-    ]
+    ],
+    "strictNullChecks": true
   },
   "include": [
     "next-env.d.ts",