add new section for GraphQL over HTTP content

Author: sarahxsanders

src/pages/learn/_meta.ts

@@ -27,5 +27,9 @@ export default {
   performance: "",
   security: "",
   federation: "",
+  "-- 3": {
+    type: "separator",
+    title: "GraphQL over HTTP",
+  },
   "debug-errors": "Common `graphql-http` Errors",
 }