Added protocol for next.js link in Readme.md (#329)

README.md

@@ -6,7 +6,7 @@
 [![Slack](https://img.shields.io/badge/slack-join%20chat-blue.svg?logo=slack)](https://join.slack.com/t/orcasound/shared_invite/zt-293mdpy47-El~xXZA6YmHOWoCzB~8WpQ)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-green.svg)](https://github.com/orcasound/orcasite/blob/master/CONTRIBUTING.md)
 
-This repo specifies the web backend and frontend for the [Orcasound app](http://live.orcasound.net) that plays a live audio stream through the user's browser of choice. The backend is an [Elixir](https://elixir-lang.org/) app using the [Phoenix framework](https://phoenixframework.org/). The frontend is built in [Next.js](nextjs.org/).
+This repo specifies the web backend and frontend for the [Orcasound app](http://live.orcasound.net) that plays a live audio stream through the user's browser of choice. The backend is an [Elixir](https://elixir-lang.org/) app using the [Phoenix framework](https://phoenixframework.org/). The frontend is built in [Next.js](https://nextjs.org/).
 
 ## Contributing