feat: initial import

Interfaces/IScore.cs

@@ -0,0 +1,22 @@
+namespace GodotHostTest.Interfaces;
+
+/// <summary>
+/// An object that keeps track of the score.
+/// </summary>
+public interface IScore
+{
+    /// <summary>
+    /// A target has been hit.
+    /// </summary>
+    void TargetHit();
+    
+    /// <summary>
+    /// A target has timed out.
+    /// </summary>
+    void TargetTimedOut();
+    
+    /// <summary>
+    /// The current score.
+    /// </summary>
+    public int Score { get; }
+}