What does this text from my ex mean?

My ex and I have been in no contact for 2 months, beginning when I tried calling her twice and didn't get a response. I text her yesterday saying "Happy Thanksgiving! Have a great day!" She responded with "Thx you too:)". I see this as progress because she actually communicated back, which relieves some of the stress of her not returning my calls 2 months ago. I want her back, but realize this was probably just a text out of courtesy and I clearly can't read anything into it. I didn't want to pour my heart out or look desperate so I worded my Thanksgiving text the way I did. What do I do from here? Just focus on myself and move on and maybe the open communication doorway will help her to contact me on her own one day?