Rat King Milsim + Buffs (#20190)

* rat king update

* rummaging

* buuuuunnnnncccchhh of shit

* the last of it

* make rat servants not ghost roles

* pissma buff and cooldown

Content.Shared/RatKing/RatKingServantComponent.cs

@@ -0,0 +1,15 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.RatKing;
+
+[RegisterComponent, NetworkedComponent, Access(typeof(SharedRatKingSystem))]
+[AutoGenerateComponentState]
+public sealed partial class RatKingServantComponent : Component
+{
+    /// <summary>
+    /// The king this rat belongs to.
+    /// </summary>
+    [DataField("king")]
+    [AutoNetworkedField]
+    public EntityUid? King;
+}