Gives all nuclear bombs unique codes (#11665)

Co-authored-by: Kara <lunarautomaton6@gmail.com>

Content.Server/Nuke/NukeComponent.cs

@@ -3,6 +3,7 @@ using Content.Shared.Containers.ItemSlots;
 using Content.Shared.Explosion;
 using Content.Shared.Nuke;
 using Robust.Shared.Audio;
+using Robust.Shared.Map;
 using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
 
 namespace Content.Server.Nuke
@@ -121,6 +122,22 @@ namespace Content.Server.Nuke
         public bool Exploded;
         #endregion
 
+        /// <summary>
+        ///     Origin station of this bomb, if it exists.
+        ///     If this doesn't exist, then the origin grid and map will be filled in, instead.
+        /// </summary>
+        public EntityUid? OriginStation;
+
+        /// <summary>
+        ///     Origin map and grid of this bomb.
+        ///     If a station wasn't tied to a given grid when the bomb was spawned,
+        ///     this will be filled in instead.
+        /// </summary>
+        public (MapId, EntityUid?)? OriginMapGrid;
+
+        [DataField("codeLength")] public int CodeLength = 6;
+        [ViewVariables] public string Code = string.Empty;
+
         /// <summary>
         ///     Time until explosion in seconds.
         /// </summary>