Add UI subpath info for EE (#4156)

* Add ui subpath info for EE

* Add ui subpath info for EE - 2

* Move ui path file to right location

* Add ui subpath info for EE to versioned docs

* Move run ui under a subpath instructions under guides

* Remove open-source/getting-started/run-ui-subpath from sidebars def

* Remove open-source/getting-started/run-ui-subpath from sidebars def - versioned docs

* Fix formatting error

* Update Running the UI on a Subpath page title

website/docs/open-source/getting-started/run-ui-subpath.mdx → website/docs/guides/run-ui-subpath.mdx

@@ -1,11 +1,11 @@
 ---
-title: "Optional: Running the UI on a Subpath"
+title: "Running the UI on a Subpath"
 ---
 
 ## Running the UI on a subpath
 
 By default, the UI is served on the root path `/`. It is possible to run the UI on a subpath, for example `/weave-gitops`.
-This is useful if you want to run weave-gitops alongside other applications on the same domain.
+This is useful if you want to run weave-gitops or weave-gitops-enterprise alongside other applications on the same domain.
 
 To run the UI on a subpath, you need to set the `--route-prefix` flag on the weave-gitops server.
 For example, if you want to run the UI on `/weave-gitops`, you can set the flag to `--route-prefix=/weave-gitops`.
@@ -44,4 +44,4 @@ spec:
           pathType: Prefix
 ```
 
-See the [Helm chart reference](../../references/helm-reference.md) for a list of all supported ingress options.
+See the [Helm chart reference](../references/helm-reference.md) for a list of all supported ingress options.