feat: Add support for project cancellation status across the application

src/components/ui/ProjectCalendarWidget.js

@@ -31,6 +31,7 @@ const statusColors = {
 	pending: "bg-yellow-100 text-yellow-800",
 	in_progress: "bg-orange-100 text-orange-800",
 	fulfilled: "bg-gray-100 text-gray-800",
+	cancelled: "bg-red-100 text-red-800",
 };
 
 const statusTranslations = {
@@ -39,6 +40,7 @@ const statusTranslations = {
 	pending: "Oczekujący",
 	in_progress: "W trakcie",
 	fulfilled: "Zakończony",
+	cancelled: "Wycofany",
 };
 
 export default function ProjectCalendarWidget({