Update README.md

Author: benedekrozemberczki

README.md

@@ -1,5 +1,5 @@
 SEAL
-============================================
+=======
  [![PWC](https://img.shields.io/endpoint.svg?url=https://paperswithcode.com/badge/semi-supervised-graph-classification-a/graph-classification-on-proteins)](https://paperswithcode.com/sota/graph-classification-on-proteins?p=semi-supervised-graph-classification-a) [![codebeat badge](https://codebeat.co/badges/295bfd20-f420-40c6-ad2d-ae1e06ae97aa)](https://codebeat.co/projects/github-com-benedekrozemberczki-seal-ci-master) [![repo size](https://img.shields.io/github/repo-size/benedekrozemberczki/SEAL.svg)](https://github.com/benedekrozemberczki/SEAL/archive/master.zip)⠀[![benedekrozemberczki](https://img.shields.io/twitter/follow/benrozemberczki?style=social&logo=twitter)](https://twitter.com/intent/follow?screen_name=benrozemberczki)⠀⠀