chore: updated changelog

Signed-off-by: Manish Dait <daitmanish88@gmail.com>

Author: manishdait

CHANGELOG.md

@@ -8,6 +8,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 
 ### Src
 - Exposed all missing `TransactionRecord` protobuf fields `consensusTimestamp`, `scheduleRef`, `assessed_custom_fees`, `automatic_token_associations`, `parent_consensus_timestamp`, `alias`, `ethereum_hash`, `paid_staking_rewards`, `evm_address`, `contractCreateResult` with proper `None` handling, PRNG oneof handling with unset values return `None` instead of default values 0 / b"" (#1636)
+- Added Ruff formating and pre-commit for the codebase
 
 ### Tests
 - Refactor `mock_server` setup for network level TLS handling and added thread safety