I'm new at Brest feeding. I need help on how to up my supply. My little girl is tongue tied so it's…

I'm new at Brest feeding. I need help on how to up my supply. My little girl is tongue tied so it's hard for her to latch the right way so I have to mostly bottle feed her but I don't get near enough milk for her an have to use formula to. an I didn't want to do that . But they are goin to clip it next week maybe she can eat the boob better but I need my milk to come in I only get like 4oz a day an she is 11 days old