fix: separate properties with ---

Author: mikewuu

src/layouts/api-route.hbs

@@ -49,7 +49,7 @@
 <summary>Properties</summary>
 {{#each properties}}
 
-- {{> property-nested this}}
+{{> property-nested this isLast=@last}}
 {{/each}}
 </details>
 

src/layouts/partials/property-collapsible.hbs

@@ -3,3 +3,8 @@
 <summary><b><code>{{name}}</code></b> <i>{{format}}</i>{{#if listItemFormat}} <i>of {{listItemFormat}}s</i>{{/if}}</summary>
 {{> property-content}}
 </details>
+{{#unless isLast}}
+
+---
+{{/unless}}
+