Okay, that makes much more sense. Yes, detailed love story and more information about the wedding is good. Make sure it includes things about your relationship being public. Do you have pictures that shows your wedding guests? Did you provide letters from friends and family? If not, this is incredibly valuable and you should do this immediately.
Showing public social media posts that show your relationship is also very good. The more you can show that you guys are public with your relationship and that people know you as a couple, the better.
I wouldn't send every single chat you have between each other. Choose a few that captures your relationship for each month over the span of the relationship. They aren't going to like getting over 100 pages.