chore(*): Move all C# solutions into a C# folder to make it clearer which languages are used

AdventOfCode C#/DayCreator/DayX.cs

@@ -0,0 +1,46 @@
+namespace AOC.Tests.YX;
+
+[TestFixture]
+[Parallelizable(ParallelScope.All)]
+public class DayX
+{
+    [SetUp]
+    public void Setup()
+    {
+        realData = File.ReadAllLines(Path.Combine(TestContext.CurrentContext.TestDirectory, "YX", "Data",
+            $"{GetThisClassName()}.dat"));
+    }
+
+    protected string GetThisClassName() { return GetType().Name; }
+    private string[] realData;
+
+    [TestCase("blah", 0)]
+    [TestCase(null, 232)] // The actual answer
+    public void Part1(string? input, int? expected)
+    {
+        string[] lines = input != null ? new[] { input } : realData;
+        // string[] lines = input != null ? input.Split("\n") : realData;
+
+        //if (expected != null)
+        //{
+        //    Assert.That(result, Is.EqualTo(expected.Value));
+        //}
+
+        //Console.WriteLine($"Part 1: {result}");
+    }
+
+    [TestCase("blah", 1)]
+    [TestCase(null, 1783)] // The actual answer
+    public void Part2(string? input, int? expected)
+    {
+        //string[] lines = input != null ? new[] { input } : realData;
+        // string[] lines = input != null ? input.Split("\n") : realData;
+
+        //if (expected != null)
+        //{
+        //    Assert.That(result, Is.EqualTo(expected.Value));
+        //}
+
+        //Console.WriteLine($"Part 2: {result}");
+    }
+}