docs: add badges

Add badges for license and twitter

README.md

@@ -3,6 +3,8 @@
 [![Build Status](https://cloud.drone.io/api/badges/CMiksche/gitea-auto-update/status.svg)](https://cloud.drone.io/CMiksche/gitea-auto-update)
 [![PyPI version](https://badge.fury.io/py/gitea-auto-update.svg)](https://badge.fury.io/py/gitea-auto-update)
 [![Downloads](https://pepy.tech/badge/gitea-auto-update)](https://pepy.tech/project/gitea-auto-update)
+![GitHub](https://img.shields.io/github/license/cmiksche/gitea-auto-update?style=flat)
+![Twitter Follow](https://img.shields.io/twitter/follow/cmiksche?style=social)
 
 Script for a automatic update of gitea. Should be run locally on the gitea server. Has options for updating via new binary file or build from source.