fix: expose Agent config options

Author: mjang

content/nginx-one/agent/configure-instance-reporting/configuration-overview.md

@@ -49,8 +49,7 @@ sudo docker run \
   --env=NGINX_AGENT_LOG_LEVEL=debug \
   -d agent
 ```
-<details>
-<summary>NGINX Agent configuration options</summary>
+### NGINX Agent configuration options
 
 {{< bootstrap-table "table table-striped table-bordered" >}}
 | **Environment Variable**                         | **Command-Line Option**                             | **Description**                                                                                              | **Default Value**                                      |
@@ -84,4 +83,3 @@ sudo docker run \
 | NGINX_AGENT_COLLECTOR_EXTENSIONS_TLS_KEY      | --collector-extensions-health-tls-key           | File path for TLS key used when connecting with OTel health server.                                           | N/A                                                    |
 | NGINX_AGENT_COLLECTOR_PROCESSORS_BATCH_SEND_BATCH_TIMEOUT    | --collector-processors-batch-send-batch-timeout                                               | Maximum time duration for sending batch data metrics regardless of size.                                      | 200ms
 {{< /bootstrap-table >}}                             |%
-</details>