machine linking refactor to ecs (#4323)

* started work

* some more work, ui working (somewhat)

* stuff

* reorganization

* some more reorg

* conveyors

* conveyors working

* finalized (dis)connection
added linkattempt
added feedback text
work on conveyors

* removed command
add rangecheck

* fixed inrange check

* handling

* ui no longer kanser, ship it

* adresses reviews

* reformats file

* reformats file

Co-authored-by: Paul <ritter.paul1+git@googlemail.com>

Content.Server/MachineLinking/Components/TwoWayLeverComponent.cs

@@ -0,0 +1,15 @@
+using Content.Shared.MachineLinking;
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.MachineLinking.Components
+{
+    [RegisterComponent]
+    public class TwoWayLeverComponent : Component
+    {
+        public override string Name => "TwoWayLever";
+
+        public TwoWayLeverSignal State;
+
+        public bool NextSignalLeft;
+    }
+}