Weird situation at work.

I asked this nice looking girl to hang out months ago and she basically made an excuse to do something else. So I counted that as a no and just let her go. Stopped every interaction but the occasional forced small talk.

Now here we are I am just standing there reading something unimportant and she comes up and stands shoulder to shoulder pressing up against me. Even when making small talk with her in the break room she sometimes has trouble making eye contact and she is always the one who initiates.

I know you shouldn't shit where you eat but we work on opposite sides of the store and I think I would be willing to risk the occasional awkward moments for this girl. How should I continue?