Re-organize all projects (#4166)

Content.Shared/Interaction/ITargetedInteractEventArgs.cs

@@ -0,0 +1,18 @@
+#nullable enable
+using Robust.Shared.GameObjects;
+
+namespace Content.Shared.Interaction
+{
+    public interface ITargetedInteractEventArgs
+    {
+        /// <summary>
+        /// Performer of the attack
+        /// </summary>
+        IEntity User { get; }
+        /// <summary>
+        /// Target of the attack
+        /// </summary>
+        IEntity Target { get; }
+
+    }
+}