feat: zks namespace

[nikola-bozin-txfusion]

Overview

This PR focuses on adding Public L2 actions functions for zkSync.

Detailed Summary: Constructed zksRpcScheme for zks namespace. Added new Actions which interact with zksRpcScheme methods. Added unit tests for each Action. Added PublicActionsL2 decorator and tests.

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PR-Codex overview

This PR adds new functions to retrieve information from zkSync like L1 chain ID, batch number, main contract address, base token L1 address, etc.

Detailed summary

• Added functions to get L1 chain ID, batch number, main contract address, base token L1 address, bridgehub contract address, transaction details, raw block transactions, and batch block range
• Created corresponding test files for each new function
• Updated documentation for each new function with descriptions, usage examples, and return types

The following files were skipped due to too many changes: src/zksync/actions/getBridgehubContractAddress.ts, src/zksync/actions/getTestnetPaymasterAddress.ts, site/pages/zksync/actions/getBridgehubContractAddress.md, site/pages/zksync/actions/getTestnetPaymasterAddress.md, site/pages/zksync/actions/estimateFee.md, src/zksync/actions/getLogProof.test.ts, site/pages/zksync/actions/getDefaultBridgeAddress.md, site/pages/zksync/actions/estimateGasL1ToL2.md, site/pages/zksync/actions/getL1BatchDetails.md, site/pages/zksync/actions/getRawBlockTransactions.md, src/zksync/actions/getL1BatchBlockRange.ts, src/zksync/actions/getLogProof.ts, site/pages/zksync/actions/getBlockDetails.md, src/zksync/actions/getTestnetPaymasterAddress.test.ts, site/pages/zksync/actions/getTransactionDetails.md, src/zksync/actions/getDefaultBridgeAddresses.ts, src/zksync/actions/estimateFee.test.ts, src/zksync/actions/estimateGasL1ToL2.test.ts, site/pages/zksync/actions/getL1BatchBlockRange.md, src/zksync/actions/getDefaultBridgeAddresses.test.ts, src/zksync/actions/getBlockDetails.test.ts, src/zksync/actions/getL1BatchDetails.ts, src/zksync/actions/getTransactionDetails.ts, site/pages/zksync/actions/getLogProof.md, site/pages/zksync/actions/getAllBalances.md, src/zksync/actions/getAllBalances.ts, src/zksync/actions/getBlockDetails.ts, src/zksync/actions/estimateGasL1ToL2.ts, site/sidebar.ts, src/zksync/types/transaction.ts, src/zksync/actions/estimateFee.ts, src/zksync/actions/getAllBalances.test.ts, src/zksync/actions/getRawBlockTransaction.ts, src/zksync/index.ts, src/zksync/types/zksRpcScheme.ts, src/zksync/decorators/publicL2.test.ts, test/src/zksyncPublicActionsL2MockData.ts, src/zksync/decorators/publicL2.ts

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