created readme text

Author: magicbug

README.md

@@ -1,4 +1,4 @@
 PHP-APRS-Passcode
 =================
 
-Generate APRS Passcode using PHP.
+Technical example on how to generate APRS network passcodes required for mobile applications using PHP an [Example](http://apps.magicbug.co.uk/passcode/) is available to try it out.