fix(datasheet): shuttle id missing in hugo content index

We generate {shuttle_id} instead of actually putting the shuttle id there, causing the shuttle map not to appear.

docs/hugo_index_template.md.mustache

@@ -22,5 +22,5 @@ description: {{project_count}} designs, closed {{end_date}}
 
 # Chip map
 
-{{#hugo}}< shuttle-map "{shuttle_id}" >{{/hugo}}
+{{#hugo}}< shuttle-map "{{shuttle_id}}" >{{/hugo}}