Adding contact summary tab dynamically

While working on CiviHR project we created a new tab and we need it to be the first tab instead of "summary" tab . But unfortunately summary tab is hardcoded to be the first tab and we had no luck to achieve that without altering the core files .

I am opening this ticket to reference the PR i am going to create that will change the current implementation of summary page to append "summary" tab dynamically so allowing other extension to place their tabs before it if needed.