Re-organize all projects (#4166)

Content.Server/DeviceNetwork/DeviceNetworkSystem.cs

@@ -0,0 +1,18 @@
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+
+namespace Content.Server.DeviceNetwork
+{
+    [UsedImplicitly]
+    internal sealed class DeviceNetworkSystem : EntitySystem
+    {
+        [Dependency] private readonly IDeviceNetwork _network = default!;
+
+        public override void Update(float frameTime)
+        {
+            base.Update(frameTime);
+            _network.Update();
+        }
+    }
+}