Update about.md

docs/about.md

@@ -14,18 +14,14 @@ nf-test has been created by [Lukas Forer](https://twitter.com/lukfor) and [Sebas
 
 ## Contributors
 
-[![@aaron-fishman-achillestx](https://avatars.githubusercontent.com/u/114482275?s=64&v=4)](https://github.com/aaron-fishman-achillestx)
-[![@ivopieniak](https://avatars.githubusercontent.com/u/44971105?s=64&v=4)](https://github.com/ivopieniak)
-[![@byb121](https://avatars.githubusercontent.com/u/3796450?s=64&v=4)](https://github.com/byb121)
-[![@AstrobioMike](https://avatars.githubusercontent.com/u/13923308?s=64&v=4)](https://github.com/AstrobioMike)
-[![@Emiller88](https://avatars.githubusercontent.com/u/20095261?s=64&v=4)](https://github.com/Emiller88)
-[![@maxulysse](https://avatars.githubusercontent.com/u/1019628?s=64&v=4)](https://github.com/maxulysse)
-[![@nvnieuwk](https://avatars.githubusercontent.com/u/101190534?s=64&v=4)](https://github.com/nvnieuwk)
-[![@sateeshperi](https://avatars.githubusercontent.com/u/33637490?s=64&v=4)](https://github.com/sateeshperi)
-[![@drpatelh](https://avatars.githubusercontent.com/u/23529759?s=64&v=4)](https://github.com/drpatelh)
+<a href="https://github.com/askimed/nf-test/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=askimed/nf-test" />
+</a>
+
+Made with [contrib.rocks](https://contrib.rocks).
 
 ## Statistics
 
 **GitHub**: <br/> ![release downloads](https://img.shields.io/github/downloads/askimed/nf-test/total)
 
-**Bioconda**: <br/> ![conda downloads](https://anaconda.org/bioconda/nf-test/badges/downloads.svg)
+**Bioconda**: <br/> ![conda downloads](https://anaconda.org/bioconda/nf-test/badges/downloads.svg)