Add benchmark support using -b

Days/Day2.cs

@@ -18,10 +18,10 @@ public enum Outcome : long
 
 public class Day2 : Day
 {
-    public override int Number { get; } = 2;
-    public override string Name { get; } = "Rock Paper Scissors";
-    
-    public override void RunPart1()
+    public override int Number => 2;
+    public override string Name => "Rock Paper Scissors";
+
+    public override void RunPart1(bool display = true)
     {
         long score = 0;
 
@@ -33,14 +33,17 @@ public class Day2 : Day
             score += (long) selfChoice;
             score += (long) ComputeOutcome(adversaryChoice, selfChoice);
         }
-        
-        AnsiConsole.MarkupLine($"[green]Total score: [yellow]{score}[/][/]");
+
+        if (display)
+        {
+            AnsiConsole.MarkupLine($"[green]Total score: [yellow]{score}[/][/]");
+        }
     }
-    
-    public override void RunPart2()
+
+    public override void RunPart2(bool display = true)
     {
         long score = 0;
-    
+
         foreach (var line in Input.ReadAllLines())
         {
             var adversaryChoice = AdversaryInputToChoice(line[0]);
@@ -50,8 +53,11 @@ public class Day2 : Day
             score += (long) selfChoice;
             score += (long) desiredOutcome;
         }
-        
-        AnsiConsole.MarkupLine($"[green]Total score: [yellow]{score}[/][/]");
+
+        if (display)
+        {
+            AnsiConsole.MarkupLine($"[green]Total score: [yellow]{score}[/][/]");
+        }
     }
 
     private Outcome ComputeOutcome(Choice adversary, Choice self) => (adversary, self) switch
@@ -83,7 +89,7 @@ public class Day2 : Day
         'C' => Choice.Scissors,
         _ => throw new ArgumentException("Invalid input")
     };
-    
+
     private Choice SelfInputToChoice(char input) => input switch
     {
         'X' => Choice.Rock,