Add cargo shuttle (#8686)

Content.Server/Cargo/Components/StationCargoOrderDatabaseComponent.cs

@@ -0,0 +1,33 @@
+using Content.Shared.Cargo;
+
+namespace Content.Server.Cargo.Components;
+
+/// <summary>
+/// Stores all of cargo orders for a particular station.
+/// </summary>
+[RegisterComponent]
+public sealed class StationCargoOrderDatabaseComponent : Component
+{
+    /// <summary>
+    /// Maximum amount of orders a station is allowed, approved or not.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("capacity")]
+    public int Capacity = 20;
+
+    [ViewVariables(VVAccess.ReadWrite), DataField("orders")]
+    public Dictionary<int, CargoOrderData> Orders = new();
+
+    /// <summary>
+    /// Tracks the next order index available.
+    /// </summary>
+    public int Index;
+
+    [ViewVariables, DataField("cargoShuttleProto")]
+    public string? CargoShuttleProto = "CargoShuttle";
+
+    /// <summary>
+    /// The cargo shuttle assigned to this station.
+    /// </summary>
+    [ViewVariables, DataField("shuttle")]
+    public EntityUid? Shuttle;
+}