Welcome Shelby, sorry to hear about your diagnosis. There is a lot to learn, but it is completely doable. The good news is you don’t need to eat the same thing everyday, that sounds really boring, but you will probably have to modify what you eat from your pre-diabetes days, at least until you are on fast acting insulin.
Here is a link to some information we have compiled.
While you may not be newly diagnosed to diabetes, you may be new to the insulin thing.