docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1,4 +1,7 @@
 # CPP_PTB
+<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+<!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 List of PsychToolBox (PTB) related functions for the Crossmodal Perpcetion and Plasticity lab (CPP)
 
@@ -36,3 +39,22 @@ keyboardNames
 
 
 ### cleanUp
+
+## Contributors ✨
+
+Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
+
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore-start -->
+<!-- markdownlint-disable -->
+<table>
+  <tr>
+    <td align="center"><a href="https://remi-gau.github.io/"><img src="https://avatars3.githubusercontent.com/u/6961185?v=4" width="100px;" alt=""/><br /><sub><b>Remi Gau</b></sub></a><br /><a href="https://github.com/cpp-lln-lab/CPP_PTB/commits?author=Remi-Gau" title="Code">💻</a> <a href="#design-Remi-Gau" title="Design">🎨</a> <a href="https://github.com/cpp-lln-lab/CPP_PTB/commits?author=Remi-Gau" title="Documentation">📖</a></td>
+  </tr>
+</table>
+
+<!-- markdownlint-enable -->
+<!-- prettier-ignore-end -->
+<!-- ALL-CONTRIBUTORS-LIST:END -->
+
+This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!