Build scenarios from scenario files

public/assets/images/scenario-race_against_time.svg

@@ -1,7 +1,9 @@
 <?xml version="1.0" standalone="yes"?>
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="-10 -10 200 300">
   <g class="gameboard">
-    <use class="mapsheet" href="mapsheets.svg#map4"/>
+    <g class="grid">
+      <use class="mapsheet4" href="mapsheets.svg#mapsheet4"/>
+    </g>
 
     <g class="start-locations" data-attacker-name="liao" data-defender-name="davion">
       <g data-edge="north" style="--i: -2">
@@ -108,6 +110,4 @@
       </g>
     </g>
   </g>
-
-  <script data-cols="33" data-rows="25"/>
 </svg>