feat: initial project setup for day 3

03/MullItOver.Tests/PuzzleParserTests.cs

@@ -0,0 +1,14 @@
+namespace MullItOver.Tests;
+
+public class PuzzleParserTests
+{
+  private readonly PuzzleParser _parser = new();
+  
+  [Test]
+  public async Task Parse_WhenInputIsEmpty_ReturnsEmptyList()
+  {
+    var result = _parser.Parse("");
+    
+    await Assert.That(result).IsEquivalentTo(new List<Instruction>());
+  }
+}