Please expose docChanges() for Firestore SDK

[matanmarciano]

Reference: #115 (reply in thread)

Many thanks

[matanmarciano]

@nbransby Wow, thanks for the responsibly!
When you will release this version?

[nbransby]

Next week

[matanmarciano]

Next week

Still not released? I see 1.2.0 released and I did found doChanges capability
@nbransby

[nbransby]

Yes it should be there, called documentChanges