Add ProseSmall as a private commentary (using %%)

components/prose/ProseP.vue

@@ -1,12 +1,3 @@
 <template>
   <p><slot /></p>
-</template>
-
-<style>
-.text-comment
-{
-  @apply text-light-50;
-  @apply dark:text-dark-50;
-  @apply text-sm;
-}
-</style>
+</template>

components/prose/ProseSmall.vue

@@ -0,0 +1,5 @@
+<template>
+    <small class="text-light-60 dark:text-dark-60 text-sm italic">
+        <slot />
+    </small>
+</template>