Create agents management menu and move sections

[chantal-kelm]

Description

Create an Agents management menu and move sections:

Endpoint Summary -> Change its name to Summary Endpoint Groups

Issues Resolved

#7069

Evidence

Test

Verify that the new Agent management section exists and that it contains the following sections inside:

• Summary

• Endpoint Groups

Check List

• [x] All tests pass
  • [x] yarn test:jest
• [ ] New functionality includes testing.
• [ ] New functionality has been documented.
• [x] Update CHANGELOG.md
• [x] Commits are signed per the DCO using --signoff