feat: add script to get pyth price feed details

[devin-ai-integration]

feat: add script to get pyth price feed details

This PR adds a new script get_pyth_pricefeed_details.ts that retrieves Pyth Price Feed Implementation Address and initialization data for a given chain. The script:

• Takes chain_name as an argument
• Returns Pyth Price Feed Implementation Address (pythImplAddr)
• Returns Pyth initialization data (pythInitData)
• Fetches wormholeAddr from the store
• Uses validTimePeriodSeconds = 60 seconds
• Uses singleUpdateFeeInWei = 1

Note: Due to environment version constraints (Node.js v22.11.0 and pnpm v9.15.3 required), the script has not been tested locally. CI will verify the functionality.

Link to Devin run: https://app.devin.ai/sessions/e968b23e752c4ce3b1fdd50c66e11456

[devin-ai-integration]

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