Separate code from doc

lib/ranking/README.md

+# Use Example
+
+    items = [Item.new("ax",1,1,1,["otherStuffA","lala",'a']),Item.new("bx",2,2,2,[1,2,3,"teste","lblb",'b']),Item.new("cx",1,1,99,[3,2,1,"teste","lclc",'c'])]
+
+    Rater.new.sortByRate(items).each { |i| puts i }
+OR
+    Rater.new( # Order of the arguments is important!
+        positionWeight = 1000,
+        useWeight = 1, 
+        likeWeight = 100
+    ).sortByRate(items).each { |i| puts i }

lib/ranking/rank.rb

@@ -51,13 +51,3 @@ class BasicRater # Don't instanciate this directly, use Rater
   end
 
 end
-
-# Use Example
-#items = [Item.new("ax",1,1,1,["otherStuffA","lala",'a']),Item.new("bx",2,2,2,[1,2,3,"teste","lblb",'b']),Item.new("cx",1,1,99,[3,2,1,"teste","lclc",'c'])]
-#Rater.new.sortByRate(items).each { |i| puts i }
-#OR
-#Rater.new( # Order of the arguments is important!
-#  positionWeight = 1000,
-#  useWeight = 1, 
-#  likeWeight = 100
-#).sortByRate(items).each { |i| puts i }