wrap description in multiline

Author: mikewuu

src/layouts/api-endpoint.hbs

@@ -38,7 +38,9 @@ To learn more, see [Authentication](https://docs.seam.co/latest/api/authenticati
 **`{{this.name}}`** {{#if this.jsonType}}*{{this.jsonType}}*{{/if}}{{#if this.itemFormat}} *of {{this.itemFormat}}s*{{/if}}{{#if this.required}} (Required){{/if}}
 {{#if this.description}}
 
+````
 {{this.description}}
+````
 {{/if}}
 {{#if this.itemEnumValues}}
 <details>