adds railscasts extended color theme

Extends original Railscasts theme with additional syntax highlighting
for Markdown, LESS, HTML, Handlebars and more.

repository/r.json

@@ -128,6 +128,16 @@
 				}
 			]
 		},
+		{
+			"name": "Railscasts Extended",
+			"details": "https://github.com/jzelenkov/sublime-railscasts-extended",
+			"releases": [
+				{
+					"sublime_text": "*",
+					"details": "https://github.com/jzelenkov/sublime-railscasts-extended/tree/master"
+				}
+			]
+		},
 		{
 			"name": "RailsGoToSpec",
 			"details": "https://github.com/sporto/rails_go_to_spec",