Update slack invite link in readme (#317)

README.md

@@ -3,7 +3,7 @@
 [![Website](https://img.shields.io/website?url=https%3A%2F%2Flive.orcasound.net)](https://live.orcasound.net)
 [![License](https://img.shields.io/github/license/orcasound/orcasite)](https://github.com/orcasound/orcasite/blob/master/LICENSE)
 
-[![Slack](https://img.shields.io/badge/slack-join%20chat-blue.svg?logo=slack)](https://join.slack.com/t/orcasound/shared_invite/zt-bd1jk2q9-FjeWr3OzocDBwDgS0g1FdQ)
+[![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/).
@@ -162,7 +162,6 @@ The `POOL_SIZE` config var is necessary due to the current Postgres db having 20
 
 Orcasite uses MJML for email templating. There are a few online MJML renderers, including: [mjml.io](https://mjml.io/try-it-live) and [grapes.js](https://grapesjs.com/demo-mjml.html)
 
-
 ## API
 
 An API is available using the [JSON API spec](https://jsonapi.org/format/). For access to available endpoints, navigate to the server's `/api/json/swaggerui` or `/api/json/redoc` path for documentation and examples. As an example, you may access the full list of feeds with:
@@ -171,4 +170,4 @@ An API is available using the [JSON API spec](https://jsonapi.org/format/). For
 curl -s https://beta.orcasound.net/api/json/feeds \
 -H "Content-Type: application/vnd.api+json" \
 -H "Accept: application/vnd.api+json"
-```
+```