Use IPFS to dynamically upload/fetch profile picture.

Description

Add functionality to add a profile picture dynamically, store the profile picture on IPFS, and add a cid (hash) to the smart contract.

Demo Video - https://youtu.be/NYLEDDCDuw4

Type of change

Please mark the options that are relevant.

• Updated UI/UX
• Improved the business logic of code
• Added new feature
• Other

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings