Update cfg-gpuhub-server.yaml.j2 格式对齐

gpuhub/cfg-gpuhub-server.yaml.j2

@@ -41,9 +41,8 @@ data:
       # "35000-45000" 指 35000 到 45000共计10001个端口
       allow_ports: "35000-45000"
       token: "seetatech666"
-
-   minio_credentials:
-     endpoint: "{{ minio_api_host }}"
-     access_key_id: "{{ minio_user }}"
-     secret_access_key: "{{ minio_password }}"
-
+      
+    minio_credentials:
+      endpoint: "{{ minio_api_host }}"
+      access_key_id: "{{ minio_user }}"
+      secret_access_key: "{{ minio_password }}"
\ No newline at end of file