Merge pull request #68 from hbarsaiyan/master

Add Arch Linux installation instructions

Author: th-ch

readme.md

@@ -18,6 +18,10 @@
 
 You can check out the [latest release](https://github.com/th-ch/youtube-music/releases/latest) to quickly find the latest version.
 
+**Arch Linux**
+
+Install the `youtube-music` package from the AUR. For AUR installation instructions, take a look at this [wiki page](https://wiki.archlinux.org/index.php/Arch_User_Repository#Installing_packages).
+
 ## Available plugins:
 
 - **Ad Blocker**: block all ads and tracking out of the box