feat: add PyPI downloads, uv, and Ruff badges to README

- Add PyPI downloads badge to showcase package popularity
- Add uv badge to highlight modern Python package management
- Add Ruff badge to showcase code quality tooling
- Improves project visibility and demonstrates modern development practices

Author: jaseemjaskp

README.md

@@ -5,6 +5,9 @@ A Python client for the ApiHub service that provides a clean, Pythonic interface
 [![Python Version](https://img.shields.io/badge/python-3.12+-blue.svg)](https://python.org)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
 [![Build Status](https://img.shields.io/badge/build-passing-brightgreen.svg)](https://github.com/Zipstack/apihub-python-client)
+[![PyPI Downloads](https://img.shields.io/pypi/dm/apihub-python-client)](https://pypi.org/project/apihub-python-client/)
+[![uv](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/uv/main/assets/badge/v0.json)](https://github.com/astral-sh/uv)
+[![Ruff](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json)](https://github.com/astral-sh/ruff)
 
 ## 🚀 Features