Librarian gameplay (DND, but in SS14) (#17041)

* D&D character sheets

* Tabletop improvements

* Grass battlemap

* You can now put shit inside of the board

* change variable name

* make the grass tabletop better, again

* update the damn thing AGAIN

* update the shit AGAIN

* You can now take stuff out of tabletops

* Make it use parenting to avoid zany bugs

* MORE battlemaps! Battlemaps for everyone!

* You can now dump out pieces + cleanup

* All (most) non-game pieces should fall to the ground

* make the verb a bit more responsive

* Librarian content officially done

* fix tests i think

* i forgot the sheet

* Smidgen of refactoring

* You can no longer put high risk items inside of boards

* no boardgame defusal

* minor refactoring

* hoplogrma

* doc

* fix rt

Content.Server/Tabletop/TabletopBackgammonSetup.cs

@@ -5,8 +5,6 @@ namespace Content.Server.Tabletop
     [UsedImplicitly]
     public sealed class TabletopBackgammonSetup : TabletopSetup
     {
-        [DataField("boardPrototype")]
-        public string BackgammonBoardPrototype { get; } = "BackgammonBoardTabletop";
 
         [DataField("whitePiecePrototype")]
         public string WhitePiecePrototype { get; } = "WhiteTabletopPiece";
@@ -15,7 +13,7 @@ namespace Content.Server.Tabletop
         public string BlackPiecePrototype { get; } = "BlackTabletopPiece";
         public override void SetupTabletop(TabletopSession session, IEntityManager entityManager)
         {
-            var board = entityManager.SpawnEntity(BackgammonBoardPrototype, session.Position);
+            var board = entityManager.SpawnEntity(BoardPrototype, session.Position);
 
             const float borderLengthX = 7.35f; //BORDER
             const float borderLengthY = 5.60f; //BORDER