Add chocolatey badge + information to the readme (#2017)

* Add a chocolatey badge

* Added link to chocolatey page

README.md

@@ -1,5 +1,5 @@
 ![alt text](https://fourtf.com/img/chatterino-icon-64.png)
-Chatterino 2 [![GitHub Actions Build (Windows, Ubuntu, MacOS)](https://github.com/Chatterino/chatterino2/workflows/Build/badge.svg?branch=master)](https://github.com/Chatterino/chatterino2/actions?query=workflow%3ABuild+branch%3Amaster) [![Cirrus CI Build (FreeBSD only)](https://api.cirrus-ci.com/github/Chatterino/chatterino2.svg?branch=master)](https://cirrus-ci.com/github/Chatterino/chatterino2/master)
+Chatterino 2 [![GitHub Actions Build (Windows, Ubuntu, MacOS)](https://github.com/Chatterino/chatterino2/workflows/Build/badge.svg?branch=master)](https://github.com/Chatterino/chatterino2/actions?query=workflow%3ABuild+branch%3Amaster) [![Cirrus CI Build (FreeBSD only)](https://api.cirrus-ci.com/github/Chatterino/chatterino2.svg?branch=master)](https://cirrus-ci.com/github/Chatterino/chatterino2/master) [![Chocolatey Package](https://img.shields.io/chocolatey/v/chatterino?include_prereleases)](https://chocolatey.org/packages/chatterino)
 ============
 
 Chatterino 2 is a chat client for [Twitch.tv](https://twitch.tv).
@@ -8,6 +8,7 @@ Contribution guidelines can be found [here](https://wiki.chatterino.com/contribu
 
 ## Download
 Current releases are available at [https://chatterino.com](https://chatterino.com).
+Windows users can also install Chatterino [from Chocolatey](https://chocolatey.org/packages/chatterino).
 
 ## Nightly build
 You can download the latest Chatterino 2 build over [here](https://github.com/Chatterino/chatterino2/releases/tag/nightly-build)