User statistics in the admin section

I think it would be useful to show the number of snippets created by each user (total, public, hidden, drafts) in the user list in the admin panel.

<img width="1014" height="289" alt="Image" src="https://github.com/user-attachments/assets/47d8886f-07ce-43d1-a5b4-b314594e69f8" />