Adds missing template snippet

bookwyrm/templates/snippets/search_result_text.html

@@ -0,0 +1,2 @@
+<strong>{% if link %}<a href="{{ result.key }}">{{ result.title }}</a>{% else %}{{ result.title }}{% endif %}</strong>
+{% if result.author %} by {{ result.author }}{% endif %}{% if result.year %} ({{ result.year }}){% endif %}