Redirects for new course (#2750)

* redirects for new course

* removed typo

Author: navillanueva

next.config.mjs

@@ -237,7 +237,11 @@ const config = {
         source: "/docs/tooling/avalanche-cli",
         destination: "/docs/tooling/cli-commands",
         permanent: true,
-      }
+      }, {
+        source: "/academy/l1-validator-management",
+        destination: "/academy/permissioned-l1s",
+        permanent: true,
+      },
     ];
   },
 };