Update 'README.md'

README.md

@@ -2,6 +2,15 @@
 
 This python script utilizes linux's hwmon interface and a PID controller for fan controlling. No external dependencies besides simple_pid and PyYAML are needed.
 
+# Installation
+## Archlinux
+
+[AUR package](https://aur.archlinux.org/packages/pyfan/)
+
+## Other
+
+Put pyfan.py into /usr/local/sbin and give it +x.
+
 # Usage
 
 Put your config in /etc/pyfan (see example config) and enable pyfan as a service (see example service file).