In “Podcast,” his first project showcasing his trifecta of writing, producing, and directing expertise, Chris LeVan is bringing connection to the center of the conversation. Punctuated by podcast episodes paralleling crucial exchanges, the coming-of-age tale follows the sold-out success of LeVan’s 2016 adaptation of Sarah Ruhl’s “Melancholy Play: A Contemporary Farce” at the Attic Theatre and Film Center.