2018 Day 02 incomplete solution - committed for posterity in case I ever go back to it

2018/Day 04/Day.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+
+namespace Day_04
+{
+    public class Day
+    {
+        public string Date { get; set; }
+        public int GuardId { get; set; }
+        public List<bool> IsAsleepThisMinute { get; set; }
+    }
+}