Update readme

Author: Peng Ren

README.md

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 # PyMongoSQL
 
+[![PyPI version](https://badge.fury.io/py/pymongosql.svg)](https://badge.fury.io/py/pymongosql)
 [![Test](https://github.com/passren/PyMongoSQL/actions/workflows/ci.yml/badge.svg)](https://github.com/passren/PyMongoSQL/actions/workflows/ci.yml)
 [![Code Style](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
+[![codecov](https://codecov.io/gh/passren/PyMongoSQL/branch/main/graph/badge.svg?token=2CTRL80NP2)](https://codecov.io/gh/passren/PyMongoSQL)
 [![License: MIT](https://img.shields.io/badge/License-MIT-purple.svg)](https://github.com/passren/PyMongoSQL/blob/0.1.2/LICENSE)
 [![Python Version](https://img.shields.io/badge/python-3.9+-blue.svg)](https://www.python.org/downloads/)
 [![MongoDB](https://img.shields.io/badge/MongoDB-7.0+-green.svg)](https://www.mongodb.com/)
+[![SQLAlchemy](https://img.shields.io/badge/SQLAlchemy-1.4+_2.0+-darkgreen.svg)](https://www.sqlalchemy.org/)
 
 PyMongoSQL is a Python [DB API 2.0 (PEP 249)](https://www.python.org/dev/peps/pep-0249/) client for [MongoDB](https://www.mongodb.com/). It provides a familiar SQL interface to MongoDB, allowing developers to use SQL queries to interact with MongoDB collections.