Your #1 concern right now is the beautiful baby, If you eat healthy, good veggies, a little fruit, good protein and fats you will do fine. Leave out the processed foods that have little nutritional value for you or the baby and you will see the weight drop off.
If you eat healthy fats like avocado's, olive oil and salmon, you shouldn't be hungry.
There are many videos on youtube to do exercises with your baby. It's fun and good for both of you.
If it is a plant, eat it, if it comes from a plant, don't!