For many of them, they have this "need" to go through with the divorce in order to start fresh. Some will want to be "friends" after the divorce, but "friends" means something different that what we would consider as friends.
Yes, she will contact you quite a bit about things that do not need to be addressed. She realizes that she has to start doing these things herself. They do not understand what the word "divorce" means. If you feel that the texts are not of importance or need an answer right away, just sit on them for a while. She will need to learn how to things on her own and not have you (her substitute father figure) rescuing her.
It's time to really put the focus on you and you family. It's time to let her go a little bit and allow her the freedom to find herself on her own. She truly needs to grow up and the only way to do that is to allow her to make her mistakes and learn from them.
Hang in there!
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.