Add redirect from /docs to /learn

Author: hasparus

vercel.json

@@ -590,6 +590,11 @@
       "destination": "https://landscape.graphql.org",
       "permanent": true
     },
+    {
+      "source": "/docs",
+      "destination": "/learn",
+      "permanent": true
+    },
     {
       "source": "/conf/2025/event-resources",
       "destination": "https://sites.google.com/linuxfoundation.org/graphqlconf2025event-resources/event-resources",