feat: publicActionsL1 decorator for zkSync

[kiriyaga-txfusion]

PR-Codex overview

This PR introduces enhancements to the zksync project, including new error handling, utility functions, and public actions for Layer 1.

Detailed summary

• Added TokenIsETHError for ETH token handling
• Implemented isETH utility function
• Added public actions for Layer 1 operations
• Updated contract calling and balance retrieval functions

The following files were skipped due to too many changes: src/zksync/decorators/publicL1.test.ts, site/pages/zksync/actions/getBalanceL1.md, site/pages/zksync/actions/getAllowanceL1.md, src/zksync/actions/getAllowanceL1.test.ts, src/zksync/actions/getBalanceL1.test.ts, src/zksync/actions/getBalanceOfTokenL1.test.ts, src/zksync/decorators/publicL1.ts

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