Updating ReadMe

Author: ChronosSF

README.md

@@ -1 +1,18 @@
-# SimplePowerDisplay
+# SimplePowerDisplay
+
+##Installation
+
+To install just get the package from GitHub and extract it to your `<wow-installation-directory>\Interface\AddOns\` folder. You may need to rename the folder to `SimplePowerDisplay`.
+
+If you have been using `nibPointDisplay` and want to keep your settings you should rename the file `WTF/Account/<acc name>/SavedVariables/nibPointDisplay.lua` to `WTF/Account/<acc name>/SavedVariables/SimplePowerDisplay.lua`.
+Then open the renamed file and change the string `nibPointDisplayDB` to `SimplePowerDisplayDB`.
+
+##Supported Power Types
+
+- Combo Points
+- Holy Power
+- Soul Shards
+
+###Requests
+
+For issues and requests for other power types, please submit a [GitHub issue!](./issues)