fix: correct graph labels for `index.md` nodes (#431)

Ben Schlegel

2023-08-28 c35cd422c65a58f1069302aad0cf9eef7f93d987

 quartz/plugins/emitters/index.ts

@@ -5,3 +5,4 @@
export { AliasRedirects } from "./aliases"
export { Assets } from "./assets"
export { Static } from "./static"
export { ComponentResources } from "./componentResources"