Configuration file example, reflecting README and .gitignore.

You can now configure xkcd-Mailer without touching the script itself. Yay!

README.md

@@ -2,17 +2,37 @@
 
 Takes the first/latest item from the [xkcd](http://xkcd.com/) atom-feed and mails the image and punchline to a specified email address.
 
+## configuration ##
+
+The script needs a simple configuration. Modify ``config.example.php`` to fit your needs and save as ``config.php``
+
+```php
+<?php
+/**
+ * xkcd-Mailer configuration example
+ * Save me as config.php
+ */
+
+// Your timezone, PHP5 required.
+// See full list: http://www.php.net/manual/en/timezones.php
+date_default_timezone_set("Europe/Helsinki");
+
+// Your destination
+$mail = "your@email.com";
+$from = "xkcd mailer <xkcdmailer@example.com>";
+```
+
+
 ## crontab example ##
 
 15 minutes over 7am on monday, wednesday and friday.
-    
+
     15 7 * * 1,3,5 /usr/bin/php /full/path/to/xkcd-mailer.php
 
 
 ## caveats ##
 
 - Script doesn't check has the feed been updated, possibly causing old strip delivery
-- You have to modify script to change delivery address, config file could be the solution
 
 
 ## contributing ##