enhance(client): force lazy load some images

packages/frontend/src/components/MkInstanceCardMini.vue

 <template>
 <div :class="[$style.root, { yellow: instance.isNotResponding, red: instance.isBlocked, gray: instance.isSuspended }]">
-	<img class="icon" :src="getInstanceIcon(instance)" alt=""/>
+	<img class="icon" :src="getInstanceIcon(instance)" alt="" loading="lazy"/>
 	<div class="body">
 		<span class="host">{{ instance.name ?? instance.host }}</span>
 		<span class="sub _monospace"><b>{{ instance.host }}</b> / {{ instance.softwareName || '?' }} {{ instance.softwareVersion }}</span>

packages/frontend/src/pages/emojis.emoji.vue

 <template>
 <button class="zuvgdzyu _button" @click="menu">
-	<img :src="`/emoji/${emoji.name}.webp`" class="img" :alt="emoji.name"/>
+	<img :src="`/emoji/${emoji.name}.webp`" class="img" loading="lazy"/>
 	<div class="body">
 		<div class="name _monospace">{{ emoji.name }}</div>
 		<div class="info">{{ emoji.aliases.join(' ') }}</div>