Add new <global> option <forward_to> to configuration reference

[mateocervilla]

Related issue
#6971

Description

As explained in the issue, it is necessary to add the new option created ( <forward_to> ) to the ossec.conf global configuration reference.

This option shall be introduced in the <global> block:

Name	Default value	Description
<forward_to>	None	Any socket under /var/ossec to forward messages.

Example

<global>
    <jsonout_output>yes</jsonout_output>
    <alerts_log>yes</alerts_log>
    <logall>no</logall>
    <logall_json>no</logall_json>
    <email_notification>no</email_notification>
    <smtp_server>smtp.example.wazuh.com</smtp_server>
    <email_from>[email protected]</email_from>
    <email_to>[email protected]</email_to>
    <email_maxperhour>12</email_maxperhour>
    <email_log_source>alerts.log</email_log_source>
    <agents_disconnection_time>10m</agents_disconnection_time>
    <forward_to>fluentd</forward_to> <!-- Name of the socket to forward the alert, must be the same of socket section  -->
  </global>

  <fluent-forward>
     <enabled>yes</enabled>
     <tag>debug.test</tag>
     <socket_path>var/run/fluent.sock</socket_path>  <!-- WARNING: Path must be realtive to /var/ossec  -->
     <address>localhost</address>
     <port>24224</port>
  </fluent-forward>

  <socket>
	<name>fluentd</name> <!-- Name of the socket to forward the alert -->
	<location>var/run/fluent.sock</location>  <!-- WARNING: Path must be realtive to /var/ossec  -->
	<mode>udp</mode>
  </socket>

Extra fix

I also noticed that limits was formatted incorrectly, since it was in a higher hierarchy, along with Options and not within it. This can be seen in the index.

Checks

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• Uses three spaces indentation.
• Adds or updates meta descriptions accordingly.

Writing style

• Uses present tense, active voice, and semi-formal registry.
• Uses short, simple sentences.
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