Add project files.

AOC Runner/AOCRunner.cs

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+using AOC.Runner;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AdventOfCode;
+public class AOCRunner
+{
+	public AOCRunner() 
+	{
+		FindProblemClasses();
+	}
+
+	private void FindProblemClasses()
+	{
+		
+		var types = Assembly.GetExecutingAssembly()?.DefinedTypes.Where(t => t.IsAssignableTo(typeof(IProblemBase)));
+		if (types == null)
+			return;
+		foreach (var type in types)
+		{
+			Console.WriteLine(type.Name);
+		}
+		
+	}
+}