Modify Wazuh app and Wazuh plugin references

[Tostti]

Description

This PR modifies different references to Wazuh app and Wazuh plugin that were on the documentation.

Checks

Docs building

• Compiles without warnings.

Code formatting and web optimization

• Uses three spaces indentation.
• Adds or updates meta descriptions accordingly.
• Updates the redirects.js script if necessary (check this guide).

Writing style

• Uses present tense, active voice, and semi-formal registry.
• Uses short, simple sentences.
• Uses bold for user interface elements, italics for key terms or emphasis, and code font for Bash commands, file names, REST paths, and code.

[Desvelao]

I found some references to Wazuh App I am not sure if they should be adapted or make sense:

• https://github.com/wazuh/wazuh-documentation/blob/fix-designations-about-wazuh-app-and-plugin/source/deployment-options/docker/wazuh-container.rst?plain=1#L47
• https://github.com/wazuh/wazuh-documentation/blob/fix-designations-about-wazuh-app-and-plugin/source/deployment-options/docker/wazuh-container.rst?plain=1#L147
• https://github.com/wazuh/wazuh-documentation/blob/fix-designations-about-wazuh-app-and-plugin/source/deployment-options/deploying-with-ansible/reference.rst?plain=1#L56

[Desvelao]

LGTM!