Small and medium businesses have been some of the hardest hit in the coronavirus pandemic, and in many cases that has had a knock-on effect on the companies that provide services to them. Now, a startup that built a whole business around loaning money to SMBs has been acquired by a giant in the world of credit as the fintech industry begins to size up what the “new normal” will look like when it comes to doing business with smaller businesses. Kabbage, which had built a platform that uses machine…