docs(underTheHood): 📝 icon cache

Author: Faeq-F

components/docsSections/underHood/IconCache.vue

@@ -0,0 +1,18 @@
+<template>
+  <div class="p-10">
+    A cache for <Code inline>&nbsp;ListItem&nbsp;</Code> icon <Code
+      inline>&nbsp;ImageSource&nbsp;</Code> objects.
+
+    <DocNotice type="info" class="mt-4" style="width: calc(100% - 1.5rem)">
+      Since plugin methods are run in a <Code inline>&nbsp;Task&nbsp;</Code>,
+      the cache is used to save memory and ensure images are created on the UI
+      thread.
+    </DocNotice>
+  </div>
+</template>
+
+<script setup lang="ts">
+import DocNotice from '~/components/docNotice.vue'
+import Code from '~/components/code.vue'
+import ExternalLink from '~/components/link.vue'
+</script>