Sentry turrets - Part 7: Electronics and construction graphs (#35236)

* Initial commit

* Fixing merge conflict

* Updated for deployment

* Whitespace fixes

* Linter fixes

* Test fail fix

* Fixed test failure

* Add separate command circuitboards

* Addressed review comments

Content.Shared/Construction/Components/ElectronicsBoardComponent.cs

@@ -0,0 +1,16 @@
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.Construction.Components;
+
+/// <summary>
+/// Used in construction graphs for building wall-mounted electronic devices.
+/// </summary>
+[RegisterComponent]
+public sealed partial class ElectronicsBoardComponent : Component
+{
+    /// <summary>
+    /// The device that is produced when the construction is completed.
+    /// </summary>
+    [DataField(required: true)]
+    public EntProtoId Prototype;
+}