How you spent your time under lockdown should be used to unlock your career. It is important to exploit how you spent your time under lockdown like godsent. Life under lock dowm was like a white board. Use your real creativity to paint that white board with creatively aligning with what you did and  your career. Since, the interviewer also has no yardstick t measure, it give you an opportunity to paint the canvas with whatever you wish. Just stick to honesty.