:recycle: accouting for youtube.com/watch? links

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

     },
     methods: {
         fixYoutubeUrl(url) {
-            const videoUid = url.split('https://youtu.be/').filter(pieces => pieces.length > 0)[0]
-
+            let videoUid = url.split('https://youtu.be/').filter(pieces => pieces.length > 0)[0]
+            
+            if(!videoUid) {
+                videoUid = url.split('https://www.youtube.com/watch?v=').filter(pieces => pieces.length > 0)[0]
+            }
+            
             return `https://www.youtube.com/embed/${videoUid}`
         }
     },