Use the photo-anchored ashlar limestone on the masonic facade

tools/scene_concepts.py

@@ -230,6 +230,7 @@ PICKS = {
     "skyline_night": "skyline_night-v4",
     "brick_facade": "brick_facade",
     "stone_steps": "stone_steps-v2",
+    "limestone_ashlar": "limestone_ashlar",
     "sidewalk_pavers": "sidewalk_pavers",
     "asphalt": "asphalt",
     "asphalt_wet": "asphalt_wet",