Huge role refactoring/cleanup. Other commits will propably follow. Because some bugs will exist. Still important for longrun and also for auto docs/help/slideshow generation

roles/core-sudo/README.md

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+# Sudo
+
+## Description
+
+This role installs the [sudo](https://en.wikipedia.org/wiki/Sudo) package and deploys a default sudoers file to ensure secure and consistent privilege escalation on the target system. It uses a preconfigured sudoers file that follows best practices and includes directives to read drop-in files from `/etc/sudoers.d`.
+
+## Overview
+
+Optimized for security and ease of administration, this role guarantees that sudo is installed and configured according to recommended practices. The provided sudoers file includes essential comments, host/user aliases, and defaults to help prevent misconfigurations.
+
+## Purpose
+
+The primary purpose of this role is to ensure that the target system has a reliable sudo configuration. By installing the [sudo](https://en.wikipedia.org/wiki/Sudo) package and deploying a standard sudoers file, the role facilitates proper administrative access and minimizes potential security risks.
+
+## Features
+
+- **Sudo Package Installation:** Installs the [sudo](https://en.wikipedia.org/wiki/Sudo) package if it is not already present.
+- **Default Sudoers Configuration:** Deploys a default sudoers file with best-practice settings.
+- **Drop-in Inclusion:** Ensures that configuration files from `/etc/sudoers.d` are included.
+- **Security Focus:** Provides commented guidelines to avoid common sudo misconfigurations.