Show image on story_ideas index

Author: maebeale

app/views/story_ideas/index.html.erb

@@ -19,6 +19,7 @@
           <table class="min-w-full divide-y divide-gray-200">
             <thead class="bg-gray-50">
             <tr>
+              <th class="px-4 py-2 text-left text-sm font-medium text-gray-700"><span class="pl-3">Image</span></th>
               <th class="px-4 py-2 text-left text-sm font-medium text-gray-700">Author</th>
               <th class="px-4 py-2 text-left text-sm font-medium text-gray-700">Name</th>
               <th class="px-4 py-2 text-left text-sm font-medium text-gray-700">Windows Type</th>