feat: make image dropshadow optional

src/components/RefImage.vue

@@ -1,6 +1,17 @@
+<script setup lang="ts">
+interface Props {
+  dropshadow?: boolean;
+}
+
+defineProps<Props>();
+</script>
+
 <template>
   <figure class="figure">
-    <picture class="figure__image">
+    <picture
+      class="figure__image"
+      :class="{ 'figure__image--dropshadow': dropshadow }"
+    >
       <slot></slot>
     </picture>
 
@@ -21,7 +32,9 @@
   }
 
   &__image {
-    filter: drop-shadow(0.5rem 0.25rem 0.375rem #000);
+    &--dropshadow {
+      filter: drop-shadow(0.5rem 0.25rem 0.375rem #000);
+    }
   }
 
   &__caption {