Unifying SPGNFT with the New Story NFT Framework

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Description and Context

The existing SPGNFT implementation is incompatible with the new Story NFT framework (BaseStoryNFT, StoryNFTFactory, OrgNFT). Currently, SPGNFT is too rigid and relies heavily on workflow contracts for interacting with the core protocol. To improve SPGNFT and align it with the new framework, we propose modifying SPGNFT to be part of Story NFT collections and make it the default NFT template for interacting with the PoC core protocol.

Suggested Solution

• Refactor SPGNFT to inherit from BaseStoryNFT, and incorporate essential core-protocol features (e.g., IP registration) directly within the contract.
• Integrate SPGNFT with the Story NFT Factory, and allows users to deploy new collections.
• Update the existing workflow contracts to accommodate changes introduced in the new SPGNFT implementation