Fix broken link

Author: prushforth

packages/web/src/index.html

@@ -480,7 +480,7 @@
     <gcds-heading tag="h2">Maps</gcds-heading>
 
     <mapml-viewer lat="45.4215" lon="-75.6972" zoom="10" projection="OSMTILE" caption="test" controls controlslist="geolocation">
-      <map-layer src="/dist/gcds/gcds-map/mapml/en/osmtile/cbmt/" checked></map-layer>
+      <map-layer src="/dist/gcds/gcds-map/assets/mapml/en/osmtile/cbmt/" checked></map-layer>
     </mapml-viewer>
 
       <hr class="my-550" />