:sparkles: adding iframe for youtube embed

vue-theme/src/components/content-block/block.vue

@@ -4,9 +4,17 @@
 
 .block.embed(v-else-if="block[0].blockName == 'core/embed'")
     .youtube(v-if="block[0].attrs.providerNameSlug == 'youtube'")
-        p youtube: {{ block[0].attrs }}
+        p youtube: {{ block[0].attrs.url }}
+        iframe(
+            :src="block[0].attrs.url"
+            title="YouTube video player"
+            frameborder="0"
+            allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+            allowfullscreen
+        )
     .not-youtube(v-else)
         p not youtube: {{ block[0].attrs }}
+
 rblock(v-else-if="typeof block === 'object'" :block="block")
         
 .block.single(v-else)