Renamed the mariadb, openldap and postgres database

roles/svc-db-mariadb/README.md

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+# MariaDB
+
+## Overview
+This Ansible role facilitates the deployment of a MariaDB server using Docker. It is designed to ensure ease of installation and configuration, with the flexibility to adapt to different environments.
+
+## Features
+- **Dockerized MariaDB**: Leverages Docker for MariaDB deployment, ensuring consistency across different environments.
+- **Customizable Settings**: Allows customization of the MariaDB instance through various Ansible variables.
+- **Network Configuration**: Includes setup of a dedicated Docker network for MariaDB.
+- **Idempotent Design**: Ensures that repeat runs of the playbook do not result in unwanted changes.
+- **Security Focused**: Implements best practices for securing the MariaDB root password.
+
+## Prerequisites
+Before using this role, ensure you have the following:
+- Ansible installed on the control machine.
+- Docker installed on the target host(s).
+- Access to the target host(s) via SSH.
+
+## Configuration
+Configure the role by setting the required variables. These can be set in the playbook or in a separate variable file:
+- `central_mariadb_root_password`: The root password for the MariaDB server.
+- `database_name`: The name of the initial database to create.
+- `database_username`: The username for the database user.
+- `database_password`: The password for the database user.
+
+## Contributing
+Contributions to this project are welcome. Please submit issues and pull requests with your suggestions.
+
+## Further Resources
+- [Reset Password for MariaDB/MySQL in Docker](https://wolfgang.gassler.org/reset-password-mariadb-mysql-docker/)