updated README

README.md

@@ -4,8 +4,14 @@ This is the technical side blog of [Leonidas](http://leonidasoy.fi/).
 
 ## Latest Articles
 
+* 2012-01-17: [Purely Functional, Declarative Game Logic Using Reactive Programming](https://github.com/leonidas/codeblog/blob/master/2012/2012-01-17-declarative-game-logic-afrp.md)
 * 2012-01-13: [Implementing Semantic Anti-Templating With jQuery](https://github.com/leonidas/codeblog/blob/master/2012/2012-01-13-implementing-semantic-anti-templating-with-jquery.md)
 * 2012-01-08: [Generalizing Streams into Coroutines](https://github.com/leonidas/codeblog/blob/master/2012/2012-01-08-streams-coroutines.md)
+
+## Older Articles
+
+### December 2011
+
 * 2011-12-27: [Basic Tutorial of Template Haskell](https://github.com/leonidas/codeblog/blob/master/2011/2011-12-27-template-haskell.md)
 * 2011-12-21: [Statically Typed Vector Algebra Using Type Families](https://github.com/leonidas/codeblog/blob/master/2011/2011-12-21-static-vector-algebra.md)
 * 2011-12-18: [NFA in a Single Line of Haskell](https://github.com/leonidas/codeblog/blob/master/2011/2011-12-18-haskell-nfa.md)