readme updates

README.md

@@ -1,2 +1,16 @@
 # digipi
 DigiPi code and config files  (not a completed digipi sd card image)
+
+This repository is all of my original code, and modifications to 
+existing GPL code that goes into the DigiPi project.  This is not
+a recipie for creating a bootable SD card image, though, that'd
+be a cool feature at some point.
+
+This code is largely for developers wanting to create their own
+radio/digipi project, GPL-compliance, and education.
+
+To get a completed SD card image, patrons of http://patreon.com/KM6LYW
+may download the image at http://craiger.org/digipi 
+
+Thank you for your support,
+-craig