Update README.md

Author: jsmorley

README.md

@@ -1 +1,32 @@
-# ColorCursor
+# PluginColorCursor
+
+Creates the ColorCursor.dll plugin for Rainmeter.
+
+Build in conjunction with the Rainmeter Plugin SDK from:
+[Rainmeter Plugin SDK](https://github.com/rainmeter/rainmeter-plugin-sdk)
+
+Documentation for the SDK at:
+[Developers Documentation](https://docs.rainmeter.net/developers/#CreatePlugin)
+
+## Options
+
+### Format
+`Format=RGB` Returns rrr,ggg,bbb formatted rgb color
+
+`Format=Red` Returns rrr red color element
+
+`Format=Green` Returns ggg green color element
+
+`Format=Blue` Returns bbb blue color element
+
+### RealTime
+
+`RealTime=0` (default) Plugin will do nothing until called with !CommandMeasure
+
+`RealTime=1` Plugin will constantly return the color of the pixel under the mouse cursor
+
+## Commands 
+
+`[!CommandMeasure MeasureName "GetColor"]`
+
+When executed in an action, the plugin will return the color of the pixel under the mouse cursor