Affirm, a consumer finance business founded by PayPal mafia member Max Levchin, filed to go public this afternoon. The company’s financial results show that Affirm, which doles out personalized loans on an installment basis to consumers at the point of sale, has an enticing combination of rapidly expanding revenues and slimming losses. Growth and a path to profitability has been a winning duo in 2020 as a number of unicorns with similar metrics have seen strong pricing in their debuts, and winsome early trading. Affirm joins DoorDash and Airbnb in…