add haxe syntaxic coloration
add haxe syntaxic coloration

tamzi/grounds.io,foliea/grounds.io,foliea/grounds.io,grounds/grounds.io,tamzi/grounds.io,tamzi/grounds.io,tamzi/grounds.io,foliea/grounds.io,grounds/grounds.io,grounds/grounds.io,grounds/grounds.io,foliea/grounds.io