Trying to add DNA codes source??

README.md

@@ -90,6 +90,12 @@ Steganography
 
 	Tabs and spaces could be representing 1's and 0's and treating them as a binary message... or, they could be whitespace done with [`snow`][snow] or an esoteric programming language interpreter: [http://ws2js.luilak.net/interpreter.html](http://ws2js.luilak.net/interpreter.html)
 
+* DNA Codes
+
+    When given a sequence with only A, C, G, T , there is an online mapping for these. Try this:
+
+    ![img/dna_codes.png](img/dna_codes.png)
+
 * [`snow`][snow]
 
 	A command-line tool for whitespace steganography (see above).