Update API Reference to document Promise API

[gaurav-joinbands]

Report

The API documentation does not mention the Promise version of the API even though its in the code.

Plugin Version

6.12.2

On what Platform are you having the issue?

iOS and Android

What did you do?

look at the source code

What did you expect to happen?

API reference should tell us that a Promise API exists since its the most modern JS standard.

What happened instead?

Please provide any other relevant information.

ℹ Please replace these two lines with more information. e.g. The issue started when we upgraded the plugin to the latest version