Add python compatibility badge to README

Added a Python version badge to improve README clarity.

Author: saileelaearat-svg

README.md

@@ -3,6 +3,7 @@
 [![OpenSSF Scorecard](https://api.scorecard.dev/projects/github.com/hiero-ledger/hiero-sdk-python/badge)](https://scorecard.dev/viewer/?uri=github.com/hiero-ledger/hiero-sdk-python)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/10697/badge)](https://bestpractices.coreinfrastructure.org/projects/10697)
 [![License](https://img.shields.io/badge/license-apache2-blue.svg)](LICENSE)
+A![Python Version](https://img.shields.io/badge/python-%3E%3D3.10-blue)
 
 A Python SDK for interacting with the Hedera Hashgraph platform.