Power Rework (#863)

Co-authored-by: py01 <pyronetics01@gmail.com>

Content.Server/GameObjects/Components/NodeContainer/Nodes/NodeAttribute.cs

@@ -0,0 +1,20 @@
+using System;
+
+namespace Content.Server.GameObjects.Components.NodeContainer.Nodes
+{
+    /// <summary>
+    ///     Associates a <see cref="Node"/> implementation with a string. This is used
+    ///     to specify an <see cref="Node"/>'s strategy in yaml. Used by <see cref="INodeFactory"/>.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
+    public class
+        NodeAttribute : Attribute
+    {
+        public string Name { get; }
+
+        public NodeAttribute(string name)
+        {
+            Name = name;
+        }
+    }
+}