Add fetcher

source/documents/scripts/services/fetch.js.coffee

@@ -0,0 +1,16 @@
+angular.module("sideBySide").factory "fetch", ['$http', 'readerFactory', ($http, readerFactory) ->
+	# Fetch
+	#
+	# @param file [String] Path to config file
+	# @return TODO
+	return (file = "config.json") ->
+		$http.get(file).then((response) ->
+			promises = []
+			for poem in response.data.files
+				promises.push($http.get(poem).then((response) ->
+					reader = readerFactory(poem)
+					return reader(response.data)
+				))
+			return promises
+		)
+]