A good example that will be relevant later for you: we started out being very strict about screen time. Then we figured out there was a lot of great educational content out there they they love to watch. My oldest (5) is ahead in math, and if you ask her she will tell you it is because of the show Number Blocks on CBeebies, which she watches on netflix.
However you decide to feed you child, just make sure to check in with a doctor and yourself regularly to make sure it is working. I would say sleeping and eating are the most important things early on.
There is a whole industry out there to help you be a parent but they are almost always just time savers for you. The best solution is to spend time with your child.