Add privacy info to readme

README.md

@@ -4,11 +4,8 @@ NASA's Astronomy Picture of the Day – now on your Home Screen with widgets!
 
 🌿 **Space!** is a fully open source app, built with [Swift](https://developer.apple.com/swift/) and [SwiftUI](https://developer.apple.com/xcode/swiftui/).
 
-📜 NASA images are in the public domain. Other images are copyright of their respective owners. More information about APOD can be found at: https://apod.nasa.gov/
+📜 NASA images are in the public domain. Other images are copyright of their respective owners. More information about APOD can be found at: https://apod.nasa.gov/. Space! does not collect any user data.
 
 📱 To learn how to use widgets, visit: https://support.apple.com/en-us/HT207122
 
 <img src="https://user-images.githubusercontent.com/14237/96915139-c171b980-145a-11eb-8ff5-191c6cba9f66.png" width="200"> <img src="https://user-images.githubusercontent.com/14237/96915188-cdf61200-145a-11eb-99b8-d5ee109c2b5c.png" width="200"> <img src="https://user-images.githubusercontent.com/14237/96915181-ccc4e500-145a-11eb-8627-781621ffc87a.png" width="200"> <img src="https://user-images.githubusercontent.com/14237/96915186-cd5d7b80-145a-11eb-9be7-a233ce575081.png" width="200">
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