Update README.md

Author: mbrandonw

README.md

@@ -1,6 +1,7 @@
 # SwiftUI Navigation
 
 [![CI](https://github.com/pointfreeco/swiftui-navigation/actions/workflows/ci.yml/badge.svg)](https://github.com/pointfreeco/swiftui-navigation/actions/workflows/ci.yml)
+[![Slack](https://img.shields.io/badge/slack-chat-informational.svg?label=Slack&logo=slack)](http://pointfree.co/slack-invite)
 [![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fpointfreeco%2Fswiftui-navigation%2Fbadge%3Ftype%3Dswift-versions)](https://swiftpackageindex.com/pointfreeco/swiftui-navigation)
 [![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fpointfreeco%2Fswiftui-navigation%2Fbadge%3Ftype%3Dplatforms)](https://swiftpackageindex.com/pointfreeco/swiftui-navigation)
 
@@ -9,6 +10,7 @@ Tools for making SwiftUI navigation simpler, more ergonomic and more precise.
   * [Overview](#overview)
   * [Examples](#examples)
   * [Learn more](#learn-more)
+  * [Community](#community)
   * [Installation](#installation)
   * [Documentation](#documentation)
   * [License](#license)
@@ -85,6 +87,15 @@ You can watch all of the episodes [here](https://www.pointfree.co/collections/sw
   <img alt="video poster image" src="https://d3rccdn33rt8ze.cloudfront.net/episodes/0211.jpeg" width="600">
 </a>
 
+## Community
+
+If you want to discuss this library or have a question about how to use it to solve 
+a particular problem, there are a number of places you can discuss with fellow 
+[Point-Free](http://www.pointfree.co) enthusiasts:
+
+* For long-form discussions, we recommend the [discussions](http://github.com/pointfreeco/swiftui-navigation/discussions) tab of this repo.
+* For casual chat, we recommend the [Point-Free Community slack](http://pointfree.co/slack-invite).
+
 ## Installation
 
 You can add SwiftUI Navigation to an Xcode project by adding it as a package dependency.