added delivery costs to total / added ribica logo just for fun / added validation check when confirming delivery

front-api/models/place.rb

@@ -0,0 +1,11 @@
+class Place < ActiveRecord::Base
+
+  def self.by_code_or_default(code)
+    # removes garbage and converts whitespace prefixed codes correctly - like " 71000" -> 71000 
+    valid_code = code.to_i.to_s 
+    place = Place.where(postal_code: valid_code).first
+    place ||= Place.where("postal_code is null or postal_code = ''").first
+    return place
+  end
+
+end