docs: lots of improvements

docs/components/content/Shortcut.vue

@@ -1,20 +0,0 @@
-<template>
-  <kbd class="inline-flex items-center justify-center font-sans font-semibold px-1 h-5 min-w-[20px] text-[11px] rounded !my-0 align-text-top ring-1 ring-gray-300 dark:ring-gray-700">
-    <ClientOnly>
-      {{ shortcut }}
-    </ClientOnly>
-  </kbd>
-</template>
-
-<script setup lang="ts">
-const props = defineProps({
-  value: {
-    type: String,
-    required: true
-  }
-})
-
-const { metaSymbol } = useShortcuts()
-
-const shortcut = computed(() => props.value === 'meta' ? metaSymbol.value : props.value)
-</script>