Mention Lotus::Repository.find method in README.md
Mention Lotus::Repository.find method in README.md

Seems that `Lotus::Repository.find` is missing by mistake, since it's a significant one.
AlfonsoUceda/model,cllns/hanami-model,hlegius/model,dsnipe/model,guilhermeFranco/model,lotus/model,fuadsaud/model,theocodes/model,benlovell/model,mymai91/model,hanami/model,brennovich/model,vyper/model,pascalbetz/hanami-model,taylorfinnell/model,habutre/model,hanami/model