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/web-app-phpmyadmin/README.md

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+# PhpMyAdmin
+
+## Description
+
+This Ansible role deploys [PhpMyAdmin](https://www.phpmyadmin.net/) in a secure Docker environment, complete with optional OAuth2 proxy support. It enables seamless management of MariaDB/MySQL databases via a web-app-based interface.
+
+## Overview
+
+The role configures and deploys a containerized PhpMyAdmin instance using Docker Compose. It optionally integrates with a central database and uses dynamic Ansible variables to support flexible deployments in both production and homelab environments.
+
+## Purpose
+
+The purpose of this role is to provide a reliable, configurable, and secure PhpMyAdmin deployment out-of-the-box. It minimizes the need for manual setup, and integrates smoothly with other CyMaIS infrastructure roles.
+
+## Features
+
+- **Docker Compose Integration:** Deploy PhpMyAdmin via a templated Compose setup.
+- **OAuth2 Proxy Support:** Secure your admin interface with modern authentication.
+- **Central DB Integration:** Connects to shared MariaDB instances for multi-role environments.
+- **Custom Configuration:** Leverage Ansible variables to fine-tune your deployment.
+- **Healthchecks & Networking:** Includes Docker healthchecks and network setup logic.
+
+## Credits 📝
+
+Developed and maintained by **Kevin Veen-Birkenbach**.  
+Learn more at [www.veen.world](https://www.veen.world)
+
+Part of the [CyMaIS Project](https://github.com/kevinveenbirkenbach/cymais)  
+License: [CyMaIS NonCommercial License (CNCL)](https://s.veen.world/cncl)