Add report viewer link as badge to the README

This (highly important) PR adds a badge with a link to the [report viewer](https://jplag.github.io/JPlag/) to the top of the readme. It uses the original™ JPlag color `#b80025`.
jplag · Nov 10, 2022 · 622a076 · 622a076
1 parent 2f2565b
commit 622a076
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/README.md b/README.md
@@ -8,6 +8,7 @@
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/de.jplag/jplag/badge.svg)](https://maven-badges.herokuapp.com/maven-central/de.jplag/jplag)
 [![License](https://img.shields.io/github/license/jplag/jplag.svg)](https://github.com/jplag/jplag/blob/main/LICENSE)
 [![GitHub commit activity](https://img.shields.io/github/commit-activity/y/jplag/JPlag)](https://github.com/jplag/JPlag/pulse)
+[![Report Viewer](https://img.shields.io/badge/report%20viewer-online-b80025)](https://jplag.github.io/JPlag/)
 
 JPlag is a system that finds similarities among multiple sets of source code files. This way it can detect software plagiarism and collusion in software development. JPlag currently supports various programming languages, EMF metamodels, and natural language text.