Evac shuttle (#8931)

Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Shared/Shuttles/BUIStates/EmergencyConsoleBoundUserInterfaceState.cs

@@ -0,0 +1,16 @@
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Shuttles.BUIStates;
+
+[Serializable, NetSerializable]
+public sealed class EmergencyConsoleBoundUserInterfaceState : BoundUserInterfaceState
+{
+    /// <summary>
+    /// null if we're not early launching.
+    /// </summary>
+    public TimeSpan? EarlyLaunchTime;
+    public List<string> Authorizations = new();
+    public int AuthorizationsRequired;
+
+    public TimeSpan? TimeToLaunch;
+}