Merge pull request #376 from d-run/samzong-patch-3

redirect home page to www.d.run

Author: samzong

docs/zh/navigation.yml

@@ -1,6 +1,6 @@
 # Page tree
 nav:
-  - 首页: https://www.daocloud.io/
+  - 首页: https://www.d.run/
   - d.run 文档:
       - 注册账号: index.md
       - 算力云: