Submodule for Onboarding Flow

[hebbianloop]

Requirement
Clients would like to embed the verification flow with their own branding and on their own sites. Clients should be able to

• Select custom design
• Select custom authentication / linking
• Embed flow into their own site
• Easy onboarding for web2 users

We need a separate github submodule for highly customizable onboarding flow that has all relevant smart contract calls and wallet interactions. This should be easy to embed within an existing next.js framework

Some next steps
~ list out dependencies and requirements
~ test suite
~ documentation for installation and customization