according to new them version move search plugin config to theme config

docs/.vuepress/config.js

@@ -1,10 +1,8 @@
 import { defineUserConfig } from 'vuepress'
 import meta from './config/meta'
 import theme from './config/theme'
-import plugins from './config/plugins'
 
 export default defineUserConfig({
   ...meta,
   theme,
-  plugins,
 })

docs/.vuepress/config/plugins.js

@@ -1,18 +0,0 @@
-import { searchProPlugin } from 'vuepress-plugin-search-pro'
-
-export default [
-  searchProPlugin({
-    indexContent: true,
-    autoSuggestions: true,
-    customFields: [
-      {
-        getter: (page) => page.frontmatter.category,
-        formatter: "Category: $content",
-      },
-      {
-        getter: (page) => page.frontmatter.tag,
-        formatter: "Tag: $content",
-      },
-    ],
-  }),
-]

docs/.vuepress/config/theme.js

@@ -53,4 +53,20 @@ export default hopeTheme({
       ]
     },
   ],
+  plugins: {
+    searchPro: {
+      indexContent: true,
+      autoSuggestions: true,
+      customFields: [
+        {
+          getter: (page) => page.frontmatter.category,
+          formatter: "Category: $content",
+        },
+        {
+          getter: (page) => page.frontmatter.tag,
+          formatter: "Tag: $content",
+        },
+      ],
+    },
+  },
 })