feat: render the floor plan in html instead of svg

src/Enum/ResourceType.php

@@ -8,10 +8,9 @@ namespace App\Enum;
  * The kinds of thing that can be booked.
  *
  * **This enum is the extension point.** The dashboard builds one tile per case, the board route
- * accepts one backing value per case, and the floor plan is looked up by convention from that
- * same value. Adding a third bookable kind is therefore: a case here, a
- * `templates/board/plan/_<value>.html.twig` with its geometry, and rows in `app:seed`. Nothing
- * else needs editing — in particular no template lists the kinds by hand.
+ * accepts one backing value per case, and the floor plan renders every kind the same way.
+ * Adding a third bookable kind is therefore: a case here and rows in `app:seed`.
+ * Nothing else needs editing — in particular no template lists the kinds by hand.
  *
  * The backing value is both what is persisted in `resource.type` and what appears in a URL, so
  * there is no slug mapping to keep in sync. The label, plural and description are the only