openwrt-one: Avoid page scroll when clicking a thumbnail

conservancy/content/activities/openwrt-one.html

@@ -32,7 +32,7 @@
           <img x-bind:src="selected_image" src="{% static "img/projects/openwrt/banana_pi_openwrt_one_case_5.jpg" %}">
           <div class="flex flex-row flex-wrap">
             <template x-for="image in images" :key="image">
-              <a href="#" x-on:click="selected_image = image; console.log(image)"> <img x-bind:src="image" alt="Thumbnail" class="w4"></a>
+              <a href="#" x-on:click.prevent="selected_image = image"> <img x-bind:src="image" alt="Thumbnail" class="w4"></a>
               <pre x-text="selected_image">foo</pre>
             </template>
           </div>