Merge pull request d-run#437 from windsonsea/zesdo

[en] Update navigation.yml

Author: windsonsea

docs/zh/navigation.yml

@@ -272,3 +272,8 @@ plugins:
                 LMCache 上线即支持 GPT-OSS: LMCache supports gpt-oss
                 CUDA Core Dump调试内存访问: CUDA Core Dump, A Tool to Debug Memory Access
                 KV-Cache 优势浅显易见: KV-Cache Wins You Can See
+                什么是 AI 应用: What is AI App
+                计费规则: Billing Rules
+                退费规则: Refund Rules
+                管理: Management
+                子账号: Subaccount