The phrase "to create a routine" means to establish a set pattern or schedule of activities that you regularly follow. It helps you to organize your tasks and develop a sense of structure in your daily life. Full definition
Create routines for when you share information and structure the topics of discussion. (movingpastdivorce.com)
Choose a set number of days per week you want to produce the show, and then create a routine in which you make it happen without fail. (authormarketingclub.com)
Set a goal, and create a routine of adding money. (protective.com)