Adds TypeScript support for 0G networks

[mandatedisrael]

Description

Adds TypeScript support for 0G networks:

• 0G Aristotle Mainnet (chainId: 16661)
• 0G Galileo Testnet (chainId: 16602)

Key changes:

• Network schema: add 0G Mainnet(Aristotle ) and 0G Testnet(Galileo)
• Update viem to version ^2.38.2 for the support of 0G Mainnet and Testnet
• EVM chain IDs: map 16661 and 16602
• USDC config: add mainnet/testnet addresses
• EVM wallet: map zeroGMainnet/zeroGGalileoTestnet to viem chains
• Tests: cover default asset selection for both networks
• Paywall: regenerated artifacts as required by CONTRIBUTING.md

Tests

• Ran TypeScript package tests:
  • pnpm -C typescript test — all packages passed
• Rebuilt paywall:
  • pnpm -C typescript/packages/x402 build:paywall

Checklist

• [X] I have formatted and linted my code
• [X] All new and existing tests pass
• [X] My commits are signed (required for merge)

[cb-heimdall]

🟡 Heimdall Review Status

Requirement	Status	More Info
Reviews	🟡 0/1	Denominator calculation Show calculation 1 if user is bot 0 1 if user is external 0 2 if repo is sensitive 0 From .codeflow.yml 1 Additional review requirements Show calculation Max 0 0 From CODEOWNERS 0 Global minimum 0 Max 1 1 1 if commit is unverified 0 Sum 1

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