Fitness! Looking for advice for practically a beginner

Hey friends! Looking for help an advice. Just began my fitness journey. Been back at the gym for the first time in ten years and been pretty consistent for a month and I’m proud of that. I’m nat to keep going. Definitely need to look into my diet. Haven had any fast food in a month but when I do I’ve gone a “eat this not that” mentality and finding better options. But still looking for help. Above is a 3 Day workout I do; want to turn it into a five day workout. Im currrntly using the Hevy app to keep track of my routines. I’m about 5’9, 240lbs. I drink lots of water already. And due to my job I’m walking about 30-40k steps weekly.