add: extract plain faq

Add Schema Org for FAQ in Flatrate

app/components/Section/Flatrate.vue

@@ -138,5 +138,21 @@ const flatrate : Service[] =
       }
     ]
 
-const faq = await queryCollection('faq').path('/snippets/faq/flatrate').first()
+const { data : faq } = await useAsyncData('faq', () => queryCollection('faq').path('/snippets/faq/flatrate').first())
+const texts = usePlainFaq(faq.value?.body.value)
+
+if (faq) {
+  useSchemaOrg({
+    '@context': 'https://schema.org',
+    '@type': 'FAQPage',
+    'mainEntity': texts.map(entity => ({
+      '@type': 'Question',
+      'name': entity.question,
+      'acceptedAnswer': {
+        '@type': 'Answer',
+        'text': entity.answer,
+      },
+    }))
+  })
+}
 </script>