docs: add more plugin categories

Author: meteorlxy

docs/.vuepress/configs/navbar/en.ts

@@ -52,16 +52,26 @@ export const en: NavbarConfig = [
         children: [
           '/reference/plugin/back-to-top.md',
           '/reference/plugin/container.md',
-          '/reference/plugin/docsearch.md',
           '/reference/plugin/google-analytics.md',
           '/reference/plugin/medium-zoom.md',
           '/reference/plugin/nprogress.md',
-          '/reference/plugin/pwa.md',
-          '/reference/plugin/pwa-popup.md',
           '/reference/plugin/register-components.md',
+        ],
+      },
+      {
+        text: 'Content Search',
+        children: [
+          '/reference/plugin/docsearch.md',
           '/reference/plugin/search.md',
         ],
       },
+      {
+        text: 'PWA',
+        children: [
+          '/reference/plugin/pwa.md',
+          '/reference/plugin/pwa-popup.md',
+        ],
+      },
       {
         text: 'Syntax Highlighting',
         children: [

docs/.vuepress/configs/navbar/zh.ts

@@ -49,16 +49,26 @@ export const zh: NavbarConfig = [
         children: [
           '/zh/reference/plugin/back-to-top.md',
           '/zh/reference/plugin/container.md',
-          '/zh/reference/plugin/docsearch.md',
           '/zh/reference/plugin/google-analytics.md',
           '/zh/reference/plugin/medium-zoom.md',
           '/zh/reference/plugin/nprogress.md',
-          '/zh/reference/plugin/pwa.md',
-          '/zh/reference/plugin/pwa-popup.md',
           '/zh/reference/plugin/register-components.md',
+        ],
+      },
+      {
+        text: '内容搜索',
+        children: [
+          '/zh/reference/plugin/docsearch.md',
           '/zh/reference/plugin/search.md',
         ],
       },
+      {
+        text: 'PWA',
+        children: [
+          '/zh/reference/plugin/pwa.md',
+          '/zh/reference/plugin/pwa-popup.md',
+        ],
+      },
       {
         text: '语法高亮',
         children: [

docs/.vuepress/configs/sidebar/en.ts

@@ -83,16 +83,26 @@ export const en: SidebarConfig = {
           children: [
             '/reference/plugin/back-to-top.md',
             '/reference/plugin/container.md',
-            '/reference/plugin/docsearch.md',
             '/reference/plugin/google-analytics.md',
             '/reference/plugin/medium-zoom.md',
             '/reference/plugin/nprogress.md',
-            '/reference/plugin/pwa.md',
-            '/reference/plugin/pwa-popup.md',
             '/reference/plugin/register-components.md',
+          ],
+        },
+        {
+          text: 'Content Search',
+          children: [
+            '/reference/plugin/docsearch.md',
             '/reference/plugin/search.md',
           ],
         },
+        {
+          text: 'PWA',
+          children: [
+            '/reference/plugin/pwa.md',
+            '/reference/plugin/pwa-popup.md',
+          ],
+        },
         {
           text: 'Syntax Highlighting',
           children: [

docs/.vuepress/configs/sidebar/zh.ts

@@ -86,16 +86,26 @@ export const zh: SidebarConfig = {
           children: [
             '/zh/reference/plugin/back-to-top.md',
             '/zh/reference/plugin/container.md',
-            '/zh/reference/plugin/docsearch.md',
             '/zh/reference/plugin/google-analytics.md',
             '/zh/reference/plugin/medium-zoom.md',
             '/zh/reference/plugin/nprogress.md',
-            '/zh/reference/plugin/pwa.md',
-            '/zh/reference/plugin/pwa-popup.md',
             '/zh/reference/plugin/register-components.md',
+          ],
+        },
+        {
+          text: '内容搜索',
+          children: [
+            '/zh/reference/plugin/docsearch.md',
             '/zh/reference/plugin/search.md',
           ],
         },
+        {
+          text: 'PWA',
+          children: [
+            '/zh/reference/plugin/pwa.md',
+            '/zh/reference/plugin/pwa-popup.md',
+          ],
+        },
         {
           text: '语法高亮',
           children: [