feat: generalized url chain id regex check

[VGabriel45]

Improved regex check for chain id in bundler and paymaster url to fit other url structure's as well.

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PR-Codex overview

This PR focuses on enhancing the extractChainIdFromUrl function in Utils.ts by improving error handling and adding documentation. It also introduces unit tests for various URL structures to ensure correct chain ID extraction.

Detailed summary

• Added JSDoc comments to extractChainIdFromUrl, detailing parameters, return values, and error handling.
• Improved regex to extract chain ID and added validation for NaN.
• Enhanced error messages for better clarity.
• Introduced extractChainIdFromBundlerUrl and extractChainIdFromPaymasterUrl functions, both utilizing extractChainIdFromUrl.
• Added unit tests in read.test.ts to validate chain ID extraction from multiple URL formats.

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[github-actions]

size-limit report 📦

Path	Size
core (esm)	55.8 KB (-0.02% 🔽)
core (cjs)	60.99 KB (-0.07% 🔽)
account (tree-shaking)	53.44 KB (+0.07% 🔺)
bundler (tree-shaking)	2.56 KB (+1.87% 🔺)
paymaster (tree-shaking)	2.21 KB (0%)
modules (tree-shaking)	40.98 KB (0%)