feat: add TransactionRecordQuery

[Dosik13]

Description

Implemented the TransactionRecordQuery class that retrieves transaction records from the network.

• Add TransactionRecord class with transaction record data
• Add unit tests for TransactionRecord class
• Add TransactionRecordQuery class implementation for querying transaction records by transaction ID
• Add _from_proto() method to TokenNftTransfer class for easier protobuf deserialization
• Refactor TransactionReceipt to include transaction_id field so we can use it to execute TransactionRecordQuery
• Add transaction record query example
• Add integration/unit tests for TransactionRecordQuery
• Update README.md in examples with transaction record query documentation
• Update __init__.py file with TransactionRecord and TransactionRecordQuery class definitions

Related issue(s):

Fixes #138

Notes for reviewer:
Please, careful see the TransactionRecord and see if you like the way it is done.

Checklist

• Documented (Code comments, README, etc.)
• Tested (unit, integration, etc.)