Update README_en.md

Author: das08

README_en.md

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 # ComfortablePandATS
+[![License](https://img.shields.io/github/license/comfortable-panda/ComfortablePandATS?color=orange)](https://github.com/comfortable-panda/ComfortablePandATS/blob/master/LICENSE)
+[![Release](https://img.shields.io/github/v/release/comfortable-panda/ComfortablePandATS?include_prereleases)](https://github.com/comfortable-panda/ComfortablePandATS/releases)
+[![CodeQL](https://github.com/comfortable-panda/ComfortablePandATS/actions/workflows/codeql-analysis.yml/badge.svg)](https://github.com/comfortable-panda/ComfortablePandATS/actions/workflows/codeql-analysis.yml)  
+
 A Web browser extention that makes PandA life comfortable.  
 **ONLY WORKS IN PandA**. Use [Comfortable-Sakai](https://github.com/kyoto-u/comfortable-sakai) for other Sakai LMS.