Add RequiresGrid component (#23394)

* saving working code

* add checks for deletion

Content.Server/RequiresGrid/RequiresGridComponent.cs

@@ -0,0 +1,11 @@
+namespace Content.Server.RequiresGrid;
+
+/// <summary>
+/// Destroys an entity when they no longer are part of a Grid
+/// </summary>
+[RegisterComponent]
+[Access(typeof(RequiresGridSystem))]
+public sealed partial class RequiresGridComponent : Component
+{
+
+}