Change community nav so it appears beneath examples

docs/getting-started/community-r3f-components.mdx

@@ -1,7 +1,7 @@
 ---
 title: Community R3F Components
 description: This page showcases some React Three Fiber/r3f community components that have not been merged to the drei components collection or to another pmndrs project. 
-nav: 2
+nav: 4
 ---
 
 If you'd like to list new community components, please make a PR to [this doc](https://github.com/pmndrs/react-three-fiber/tree/master/docs/getting-started/community-r3f-components.mdx) file. It showcases some r3f community components that have not been merged to to the [drei](http://drei.docs.pmnd.rs) components collection or to another [pmndrs](https://github.com/pmndrs) project.