fix(components): add null check to singleStory.vue

if author is null for some reason, show a static "..." instead of breaking everything

components/listings/singleStory.vue

@@ -21,9 +21,9 @@
 		<template #title>
 			<div style="padding-top: 1em; padding-bottom: 0.8em">
 				<div style="display: flex; justify-content: space-between">
-					<NuxtLink :to="`/story/${story._id}/${idxo + 1}`">
+					<nuxt-link :to="`/story/${story._id}/${idxo + 1}`">
 						{{ story.title }}
-					</NuxtLink>
+					</nuxt-link>
 					<a-tooltip placement="topLeft">
 						<template #title> You'll need to log in to read this story. Register if you don't already have an account -- it's free! </template>
 						<icon v-if="!data?.user" istyle="solid" name="lock" />
@@ -38,11 +38,12 @@
 						</span>
 					</div>
 					<span> fic by </span>
-					<span>
+					<span v-if="story.author">
 						<NuxtLink :to="`/user/${story.author._id}`">
 							{{ story.author.username }}
 						</NuxtLink>
 					</span>
+					<span v-else>...</span>
 					<span v-if="story.coAuthor">
 						&nbsp;and&nbsp;
 						<NuxtLink :to="`/user/${story.coAuthor._id}`">