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

Provide info for the following steps:

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

The new main hosted control plane dashboard are defined in this file.

https://github.com/stolostron/multicluster-observability-operator/blob/release-2.10/operators/multiclusterobservability/manifests/base/grafana/dash-acm-hcp-overview.yaml

Line 54 https://github.com/stolostron/multicluster-observability-operator/blob/release-2.10/operators/multiclusterobservability/manifests/base/grafana/dash-acm-hcp-overview.yaml#L54 is taken from this existing RHACM doc https://github.com/stolostron/rhacm-docs/blob/2.10_stage/clusters/hosted_control_planes/hosted_sizing_guidance.adoc#request-based-resource-limit  but I would like a doc review.

Line 299 https://github.com/stolostron/multicluster-observability-operator/blob/release-2.10/operators/multiclusterobservability/manifests/base/grafana/dash-acm-hcp-overview.yaml#L299 is taken from this existing RHACM doc https://github.com/stolostron/rhacm-docs/blob/2.10_stage/clusters/hosted_control_planes/hosted_sizing_guidance.adoc#load-based-limit but I would like a doc review on this as well.

Also in the https://github.com/stolostron/multicluster-observability-operator/blob/release-2.10/operators/multiclusterobservability/manifests/base/grafana/dash-acm-hcp-overview.yaml, please review all "title" and "description".

If you would like, I can provide the actual grafana dashboard for you to take a look at.

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

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

3. - [x] Mandatory for GA content:
            
       - [ ] Add steps and/or other important conceptual information here: 
       
            
       - [ ] Add Required access level for the user to complete the task here:
       

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

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