Updating docs titles (#248)

* Adding new nav menu title for model registry.

* Naming adjustment.

* Updating Managing users title

src/const.ts

@@ -52,8 +52,12 @@ export const DOCS_NAVIGATION: SideNavItemConfig[] = [
         slug: "/docs/working-with-data-in-s3-compatible-object-store/"
     },
     {
-        title: "Managing users",
-        slug: "/docs/managing-users/"
+        title: "Working with model registries",
+        slug: "/docs/working-with-model-registries/"
+    },
+    {
+        title: "Managing Open Data Hub",
+        slug: "/docs/managing-odh/"
     },
     {
         title: "Managing resources",