[Experimental] Native pay button

[leandrooriente]

What are you trying to accomplish?

Add a temporary native button so we can test the differences between web and native.

Before you deploy

• [ ] I have added tests to support my implementation
• [ ] I have read and agree with the contributing documentation readme
• [ ] I have read and agree with the code of conduct documentation readme
• [ ] I have updated any documentation related to these changes.
• [ ] I have updated the README (if applicable).

[markmur]

Closing for now