update README to add link for modularize-admin branch of marcus-search-client

README.md

@@ -24,9 +24,14 @@ npx gulp build
 ```
 
 ## Install Blackbox-search
-https://gitlab.com/ubbdev/marcus-search-client
+
+Blackbox searchclient is built from https://git.app.uib.no/uib-ub/spesialsamlingene/marcus-search-client/-/tree/modularize-admin and branches from modularize-admin (for tes
+Updating the search of admin.marcus.uib.no is a manual CI-task, for the modularize-admin branch only. Visit the commit to update admin-search from in the modularize-admin branch, and click the play button for `deploy_prod`.
+
+
 
 ```bash
+# To install manually locally (don't use for prod or test servers, which are managed from the git repo)
 ## static/js/blackbox-search er i .gitignore
 cd static/js/
 mkdir blackbox-search