Create goal with privacy

bookwyrm/templates/snippets/discover/small-book.html

@@ -1,7 +1,9 @@
 {% load bookwyrm_tags %}
 {% if book %}
 {% include 'snippets/book_cover.html' with book=book %}
+{% if ratings %}
 {% include 'snippets/stars.html' with rating=ratings|dict_key:book.id %}
+{% endif %}
 
 <h3 class="title is-6"><a href="/book/{{ book.id }}">{{ book.title }}</a></h3>
 {% if book.authors %}