Add topbar links to Cite BRH and Email Support (#5678)

* Add topbar links to Cite BRH and Email Support

Add links to topbar for:
* Cite BRH (link to: https://uc-cdis.github.io/platform-citation/brh-cite/)(tickets for this are https://ctds-planx.atlassian.net/browse/PXP-10577 and https://ctds-planx.atlassian.net/browse/BRH-367)
* Add Email Support link to mailto:brhsupport@datacommons.io (https://ctds-planx.atlassian.net/browse/BRH-327)
* update Documentation link to remove `home/` from the end of the URL (that is now a broken link)

* add missing commas

forgot commas after items in a list

brhstaging.data-commons.org/portal/gitops.json

@@ -65,8 +65,16 @@
     "topBar": {
       "items": [
         {
-          "link": "https://uc-cdis.github.io/BRH-documentation/home/",
+          "link": "https://uc-cdis.github.io/BRH-documentation/",
           "name": "Documentation"
+        },
+        {
+          "link": "mailto:brhsupport@datacommons.io",
+          "name": "Email Support"
+        },
+        {
+          "link": "https://uc-cdis.github.io/platform-citation/brh-cite/",
+          "name": "Cite BRH"
         }
       ]
     },