Add stats tab.

[righettod]

Important

📍Once you have merged the PR, run manually the workflow named update_tab_stats_related_files to sync all files of the new stats tab. Afterward, it will be updated each month automatically.

Hi,

This PR initiate the work on #210

I expect some failure at the beginning 😁

Thanks in advance 😀.

[riramar]

Thanks! :)