update badges

README.md

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+[![pythons](https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8%20%7C%203.9%20%7C%203.10%20%7C%203.11%20%7C%203.12-blue)](https://pypi.org/project/doubledate)
 [![build](https://github.com/dschenck/doubledate/workflows/doubledate/badge.svg)](https://github.com/dschenck/doubledate/actions)
 [![PyPI version](https://badge.fury.io/py/doubledate.svg)](https://badge.fury.io/py/doubledate) 
 [![Documentation Status](https://readthedocs.org/projects/doubledate/badge/?version=latest)](https://doubledate.readthedocs.io/en/latest/?badge=latest)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
+[![codecov](https://codecov.io/gh/dschenck/doubledate/graph/badge.svg?token=TIJJGYZYK5)](https://codecov.io/gh/dschenck/doubledate)
+[![Downloads](https://static.pepy.tech/badge/doubledate/week)](https://pepy.tech/project/doubledate)
 
 ## doubledate: another datetime library 
 doubledate, yet another datetime library, exposes a set of 20+ utility functions as well as an immutable `Calendar` object representing a sorted-set of dates.

docs/fragments/badges.rst

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-.. image:: https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8%20%7C%203.9%20%7C%203.10%20%7C%203.11-blue
+.. image:: https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8%20%7C%203.9%20%7C%203.10%20%7C%203.11%20%7C%203.12-blue
    :target: https://pypi.org/project/doubledate
 
 .. image:: https://github.com/dschenck/doubledate/workflows/doubledate/badge.svg