It鈥檚 a sunny morning on Revere Avenue in San Francisco鈥檚 Bayview, and toddlers are tending to the garden they have carefully planted, with organic tomatoes, cilantro and radishes ready to be picked for that afternoon鈥檚 lunch. No, this isn鈥檛 a City-sponsored summer camp: It鈥檚 Delia鈥檚 Little Angels, a home-based early care and education center. The…