Add smolagents

[aymeric-roucher]

Please add smolagents to this awesome list, since we already have an active community, and provide an integration with E2B sandboxes!

[mlejva]

Hey @aymeric-roucher , we're doing a revamp of the list so we aren't adding new submissions at the moment. We'll include you in the new version though (@tizkovatereza)!