dragon minor refactor and stuff (#18149)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/StationEvents/Components/RandomSpawnRuleComponent.cs

@@ -0,0 +1,18 @@
+using Content.Server.StationEvents.Events;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.StationEvents.Components;
+
+/// <summary>
+/// Spawns a single entity at a random tile on a station using TryGetRandomTile.
+/// </summary>
+[RegisterComponent, Access(typeof(RandomSpawnRule))]
+public sealed class RandomSpawnRuleComponent : Component
+{
+    /// <summary>
+    /// The entity to be spawned.
+    /// </summary>
+    [DataField("prototype", required: true, customTypeSerializer: typeof(PrototypeIdSerializer<EntityPrototype>))]
+    public string Prototype = string.Empty;
+}