add gfx.blockwraps library & add on_player_tick world event

src/logic/scripting/scripting_hud.cpp

@@ -32,6 +32,7 @@ void scripting::on_frontend_init(Hud* hud, WorldRenderer* renderer) {
     auto L = lua::get_main_state();
 
     lua::openlib(L, "hud", hudlib);
+    lua::openlib(L, "gfx", "blockwraps", blockwrapslib);
     lua::openlib(L, "gfx", "particles", particleslib);
     lua::openlib(L, "gfx", "text3d", text3dlib);