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/TabletopHologramComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.Tabletop;
+
+/// <summary>
+/// This is used for tracking pieces that are simply "holograms" shown on the tabletop
+/// </summary>
+[RegisterComponent]
+public sealed class TabletopHologramComponent : Component
+{
+
+}