[doc] Issue in 'Role-level configuration'

[eromanova97]

Description

Removed "," commas from end of line in vars: section.
Note: I also made some other small fixes throughout the Ansible doc.

Fixes: https://jira.suse.com/browse/TRNT-4599

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A few updated command examples likely need {sudo} and placeholder clarification to avoid providing instructions that may fail or be ambiguous for readers.

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Pull request overview

This PR updates the {trento} Ansible installation guide to fix the “Role-level configuration” inventory example (removing invalid trailing commas in the vars: mapping) and makes several small wording/consistency improvements across the document.

Changes:

• Fix YAML inventory snippet under vars: by removing trailing commas (making it valid YAML).
• Normalize and clarify multiple command examples and wording (placeholders, terminology like “plug-in”, phrasing tweaks).
• Update the document revdate.

File summaries

File	Description
trento/adoc/trento-ansible-install.adoc	Corrects YAML examples (notably vars:) and polishes Ansible installation documentation text/commands.

Review details

Comments suppressed due to low confidence (2)

trento/adoc/trento-ansible-install.adoc:44

• SUSEConnect typically requires root privileges to register/enable modules. Since other package-management commands in this doc use {sudo}, consider prefixing these module-enablement commands with {sudo} as well so readers don’t try to run them unprivileged.

{suseconnect} -p sle-module-python3/15.x/x86_64

trento/adoc/trento-ansible-install.adoc:53

• SUSEConnect typically requires root privileges to register/enable modules. Since other package-management commands in this doc use {sudo}, consider prefixing these module-enablement commands with {sudo} as well so readers don’t try to run them unprivileged.

{suseconnect} -p PackageHub/15.x/x86_64

• Files reviewed: 1/1 changed files
• Comments generated: 2
• Review effort level: Low

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