feat: Add getTxLogs route to retrieve transaction logs

[d4mr]

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PR-Codex overview

The focus of this PR is to add a new route getTxLogs to fetch and parse transaction logs from a transaction hash in the blockchain.

Detailed summary

• Added a new route getTxLogs to retrieve and parse transaction logs
• Defined request and response schemas for getTxLogs
• Implemented logic to fetch transaction details and parse logs from blockchain logs

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