Attempting to fix and issue with the currDay highlight. Made a currDate in thecontext state rather than using new Date() accross the app.

types/CalenderContext.d.ts

@@ -55,6 +55,7 @@ interface UpdateCalendarProps {
 }
 
 interface CalenderContextState {
+  currDate: Date;
   selectedDate: Date;
   title: string;
   layout: MonthLayout;