Left Nav updates for Summit

All nav updates for Summit 2022, goal to have this worked completed by May 5th to make the code freeze (but if needed time can be extended).

Main left nav (bundle navigation) is being completed by plat-ex .. adding EDGE and breaking out RHEL into 2 items.. Red Hat Insights and Edge.

Once you click on "red hat insights" this is being worked by team Jiri, will add the mocks here and will need there Jira linked here.

Updated Application services left nav is being completed by platex.

Ansible updated nav is being completed by Ansible team.