mention PeerJS in COPYING.md

pull/5629/head
Niklas Fiekas 2019-10-26 21:08:56 +02:00
parent 3ddb25df4c
commit b4890b47b1
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@ -101,4 +101,5 @@ Lichess as deployed on https://lichess.org/ also uses these external services:
* Fallback to [Google Fonts](https://fonts.google.com/)
* [Google Cloud Messaging](https://developers.google.com/cloud-messaging/) and [OneSignal](https://onesignal.com/) for mobile notifications
* [reCAPTCHA](https://www.google.com/recaptcha/)
* [PeerJS](https://peerjs.com/) for voice chat
* [crowdin](https://crowdin.com/project/lichess) for localization