Create an informative issue (See each section, incomplete templates/issues won't be triaged)

Using the current documentation as a model, please complete the issue template. 

Note: Doc team updates the current version and the two previous versions (n-2). For earlier versions, we will address only high-priority, customer-reported issues for releases in support.

Prerequisite: Start with what we have

Always look at the current documentation to describe the change that is needed. Use the source or portal link for Step 4:

 - Use the Customer Portal: https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes

 - Use the GitHub link to find the staged docs in the repository: https://github.com/stolostron/rhacm-docs 

Describe the changes in the doc and link to your dev story

We need to add a new topic for the global search technology preview. Need to decide if this should be part of Global Hub or Search. The topic should include an overview of the global search feature and instructions to enable the technical preview.

Provide info for the following steps:

1. - [x] Mandatory Add the required version to the Fix version/s field.

2. - [ ] Mandatory Choose the type of documentation change.

      - [x] New topic in an existing section or new section
      - [ ] Update to an existing topic

3. - [ ] Mandatory for GA content:
       - [ ] Add steps and/or other important conceptual information here:        
Global search overview. TBD jpadilla@redhat.com will add more details.

To enable global search, add the annotation global-search-preview=true to the search-v2-operator.

oc annotate search search-v2-operator n opencluster-management global-search-preview=true 

       - [x] Add Required access level for the user to complete the task here:
       ACM admin

       - [x] Add verification at the end of the task, how does the user verify success (a command to run or a result to see?)

The search operator will be updated with the following status condition.
 

status:
  conditions:
     - lastTransitionTime: '2024-05-31T19:49:37Z'
     message: None
     reason: None
     status: 'True'
     type: GlobalSearchReady

     
       - [x] Add link to dev story here: https://issues.redhat.com/browse/ACM-9948

4. - [ ] Mandatory for bugs: What is the diff? Clearly define what the problem is, what the change is, and link to the current documentation: