Add summary table with account activity based on sessions data.  If more than one session is active, show the information in the footer of all pages in the admin. Verify with ajax at least once a minute. <img width="364" alt="Snímek obrazovky 2022-01-31 v 17 41 55" src="https://user-images.githubusercontent.com/4738758/151835901-ef928f6f-71a2-4ac3-ab26-4ed88636ca2a.png">
Add summary table with account activity based on sessions data.
If more than one session is active, show the information in the footer of all pages in the admin. Verify with ajax at least once a minute.