Example主题调整，规范组件命名

themes/example/components/SearchInput.js

@@ -1,9 +1,14 @@
-import { useRouter } from 'next/router'
 import { useGlobal } from '@/lib/global'
+import { useRouter } from 'next/router'
 import { useImperativeHandle, useRef, useState } from 'react'
 
 let lock = false
 
+/**
+ * 搜索输入框
+ * @param {*} param0 
+ * @returns 
+ */
 const SearchInput = ({ currentTag, keyword, cRef }) => {
   const { locale } = useGlobal()
   const router = useRouter()