feat: add ntf-starter and nft-generator

[Wilbert957]

Relates to

#2282 Implementation of Agent NFT feature for agent data management, ownership, and usage.

Risks

Low, DO NOT affect the original agent startup method.

Background

What does this PR do?

Implements Agent NFT functionality following ERC-7857 standard to:

1. Store agent data on 0G storage
2. Manage agent ownership through NFTs
3. Enable agent transfer, cloning, and authorization features
4. Add NFT-based agent startup capability

What kind of change is this?

Features (non-breaking change which adds functionality)

1. New AgentNFTClient implementation
2. NFT generation and management features
3. Scripts for NFT operations

Documentation changes needed?

My changes require a change to the project documentation.

Added Agent NFT feature documentation.

Testing

Where should a reviewer start?

1. Review AgentNFTClient implementation
2. Check NFT generation flow
3. Verify agent startup from NFT process

Detailed testing steps

1. Configure environment variables:
   ZEROG_RPC_URL
   ZEROG_INDEXER_RPC_URL
   ZEROG_PRIVATE_KEY
   ZEROG_AGENT_NFT_CONTRACT_ADDRESS

2. Generate new NFT:
   execute pnpm generate-nft --dir="./data"

3. Start agent from NFT:
   execute pnpm start --token="0"

Screenshots

1. Generate Agent NFT:

2. Start Agent with Agent NFT:

Before

After

Discord username

References

1. ERC-7857
2. 0G-Agent-NFT

[wtfsayo]

similar to this #2107

can you do similar plugin implementation rather

[wtfsayo]

closing till updates