Add default video snippets

.vscode/settings.json

@@ -24,5 +24,6 @@
     },
     "editor.codeActionsOnSave": {
         "source.organizeLinkDefinitions": "explicit"
-    }
+    },
+    "markdown.editor.filePaste.videoSnippet": "<video src=\"${src}\" title=\"${title}\" autoplay loop controls muted></video>"
 }