docs: fix gitee search result hostname (#7047)

vant.config.js

@@ -38,6 +38,18 @@ module.exports = {
           apiKey: '90067aecdaa2c85220e2783cd305caac',
           indexName: 'vant',
           placeholder: '搜索文档...',
+          transformData(hits) {
+            if (location.hostname === 'vant-contrib.gitee.io') {
+              hits.forEach((hit) => {
+                if (hit.url) {
+                  hit.url = hit.url.replace(
+                    'youzan.github.io',
+                    'vant-contrib.gitee.io'
+                  );
+                }
+              });
+            }
+          },
         },
         nav: [
           {