async theme

components/Loading.js

@@ -0,0 +1,10 @@
+/**
+ * 主题文件被加载出之前的占位符
+ * @returns
+ */
+const Loading = () => {
+  return <div className="w-screen h-screen flex justify-center items-center">
+        <h1>Loading... <i className='ml-2 fas fa-spinner animate-spin' /></h1>
+    </div>
+}
+export default Loading