Implements panic bunkering. (#9315)

* Implements panic bunkering.
Helps with raid management, esp with unknown accounts.

* adds an enable/disable command.

Content.Server.Database/Model.cs

@@ -454,6 +454,7 @@ namespace Content.Server.Database
         Ban = 0,
         Whitelist = 1,
         Full = 2,
+        Panic = 3,
     }
 
     public class ServerBanHit