chore: fix logo in the readme

README.md

@@ -1,4 +1,4 @@
-# ![Kosmorro](kosmorrolib/assets/png/kosmorro-logo.png)
+# ![Kosmorro](https://raw.githubusercontent.com/Kosmorro/logos/main/png/kosmorro-logo-grey.png)
 [![Coverage Status](https://coveralls.io/repos/github/Kosmorro/kosmorro/badge.svg?branch=master)](https://coveralls.io/github/Kosmorro/kosmorro?branch=master) [![Version on PyPI](https://img.shields.io/pypi/v/kosmorro)](https://pypi.org/project/kosmorro) [![Discord](https://img.shields.io/discord/650237632533757965?logo=discord&label=%23kosmorro)](https://discord.gg/TVX4MSKGaa) ![Docker Pulls](https://img.shields.io/docker/pulls/kosmorro/kosmorro) [![Help translating Kosmorro!](https://hosted.weblate.org/widgets/kosmorro/-/cli/svg-badge.svg)](https://hosted.weblate.org/engage/kosmorro/)
 
 A program that calculates your astronomical ephemerides!