any recommendations on how to increase my milk supply? (I'm only pumping because baby won't latch)

Pump until you're empty so that they have room to fill back up (I exclusively pump too)

oatmeal, drinking water, mothers milk tea, and skin to skin contact? help with milk supply

I heard oatmeal helps

1-2 tablespoons of coconut oil can help you absorb calcium. That's what you need to intake as much as possible