(help) How to add your own Power Automate flows in "apps" in group chat

Hi,

I have created multiple power automate flows with various purposes that are active in this group chat on TEAMS, but I would like to know if there is a way to add my custom flows here in this "apps" window to run them from there, or edit the default list.

I would also like to know if there is a way to anchor the workflows icon here, something like this: