Add MIT license

Hinerangi Courtenay · Hinerangi Courtenay · commit c0b24a7ce5c4 · 2013-05-19T15:25:47.000+03:00
diff --git a/README.md b/README.md
@@ -10,3 +10,8 @@ See demos: http://skymaiden.github.io/php-placeholder-images/
 
 
 Inspired by http://placehold.it/
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+
+License
+-------
+MIT: http://skymaiden.mit-license.org
