Add address book datamodel

[0xzoz]

[Add Address Book DataModel] - #[28896]

Description

Add a new data model to address the scope of Gitcoin Bounty

How Has This Been Tested?

yarn prepublishOnly

Definition of Done

Before submitting this PR, please make sure:

• The work addresses the description and outcomes in the issue
• I have added relevant tests for new or updated functionality
• My code follows conventions, is well commented, and easy to understand
• My code builds and tests pass without any errors or warnings
• I have tagged the relevant reviewers
• I have updated the READMEs of affected packages
• I have made corresponding changes to the documentation
• The changes have been communicated to interested parties

References:

N/A