One step at a time, Square is creating a new bank from scratch. Today, the company is launching a new product called Square Banking that combines a checking account, savings accounts, debit cards and loans under a single roof. With Square Banking, the company wants to convince small businesses that it’s just easier to manage all their money needs through Square. Originally focused on payments processing, Square launched a debit card for its business customers in 2019. This way, business owners can start spending the money they’re bringing in through…