Add support for audio notes

[manaswinidas]

Add support for audio notes

Expected Behavior

The user can add audio notes

Current Behavior

There are only text notes as of now

Possible Solution

There can be a different button to add audio notes

Context

This is just an enhancement

Your Environment

• Version used:
• Environment name and version (e.g. Chrome 39, node.js 5.4):
• Operating System and version (desktop or mobile):
• Link to your project: