separate all customize views into their own files

make corner radius a constant
create the views in the main app file and pass through so they dont get re-drawn when changing UI things

Shared/views/YearView/YearViewModel.swift

@@ -22,6 +22,10 @@ class YearViewModel: ObservableObject {
     }
     
     init() {
+        updateData()
+    }
+    
+    private func updateData() {
         let filteredEntries = PersistenceController.shared.getData(startDate: Date(timeIntervalSince1970: 0),
                                                                    endDate: Date(),
                                                                    includedDays: selectedDays)