ho messo le didascalie solo in [questa pagina](http://localhost:1313/it/linuxday/2023/linux-day-2023-agenda/) per ora. Viene circa così:


Reviewed-on: BgLUG/bglug.it#156
Co-authored-by: paspo <paolo@asperti.com>
Co-committed-by: paspo <paolo@asperti.com>