Added Initial Basic Auth Module

cms/src/modules/cms_module.e

@@ -25,6 +25,26 @@ feature -- Router
 		deferred
 		end
 
+feature -- Filter
+
+	filters: detachable LIST[WSF_FILTER]
+		-- Possibly list of Filter's module.
+
+feature -- Element Change: Filter
+
+	add_filter (a_filter: WSF_FILTER)
+			-- Add a filter `a_filter' to the list of module filters `filters'.
+		local
+			l_filters: like filters
+		do
+			l_filters := filters
+			if l_filters = Void then
+				create {ARRAYED_LIST[WSF_FILTER]}l_filters.make (1)
+				filters := l_filters
+			end
+			l_filters.force (a_filter)
+		end
+
 feature -- Settings
 
 	enable