Add user profile feature

[SimiHunjan]

Problem

The user profile feature is like what we see in other explorers that enables features like custom labels, notifications, etc.

Related issues:

• Etherscan like User Profiles #417

Tasks

• Create user profile with email and password #2197
• Create user profile with Google login
• Delete user account
• Create and manage profile labels

Solution

Implement the profile feature

Alternatives

Implement the profile feature