Cargo shuttle changes (#14363)

Content.Server/Shuttles/Components/PriorityDockComponent.cs

@@ -0,0 +1,18 @@
+using Content.Shared.Tag;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.Shuttles.Components;
+
+/// <summary>
+/// Given priority when considering where to dock.
+/// </summary>
+[RegisterComponent]
+public sealed class PriorityDockComponent : Component
+{
+    /// <summary>
+    /// Tag to match on the docking request, if this dock is to be prioritised.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite),
+     DataField("tag", customTypeSerializer: typeof(PrototypeIdSerializer<TagPrototype>))]
+    public string? Tag;
+}