Another big round of refactoring and cleaning...

roles/sys-bkp-provider/README.md

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+# Backup Provider
+
+## Description
+
+This role sets up and manages the host as a backup provider. It establishes the framework for secure backup operations and integrates with other roles to facilitate reliable backup data management.
+
+## Overview
+
+Optimized for automated backup processes, this role:
+- Configures the host to provide backup services.
+- Integrates seamlessly with the [sys-bkp-provider-user](../sys-bkp-provider-user/README.md) and [sys-cln-bkps-timer](../sys-cln-bkps-timer/README.md) roles.
+- Lays the foundation for secure and extensible backup operations.
+
+## Purpose
+
+The primary purpose of this role is to enable the host to act as a backup provider, ensuring that backup data is securely stored and managed. Future enhancements will include full system backup capabilities.
+
+## Features
+
+- **Backup Framework:** Establishes the necessary configuration for hosting backups.
+- **Role Integration:** Works in conjunction with related roles to provide a comprehensive backup solution.
+- **Extensibility:** Designed to accommodate future features, such as full system backups.
+
+## Todo
+
+- Add full system backup functionality.
+
+## See Also
+
+- [Chroot SFTP Setup](https://www.thegeekstuff.com/2012/03/chroot-sftp-setup/)
+- [Rsync over SFTP without an SSH Shell](https://serverfault.com/questions/135618/is-it-possible-to-use-rsync-over-sftp-without-an-ssh-shell)
+- [SFTP SSH Backups with Added Security](https://forum.duplicati.com/t/sftp-ssh-backups-to-a-linux-server-with-added-security/7334)
+- [Chrootd Rsync Setup](https://serverfault.com/questions/287578/trying-to-setup-chrootd-rsync)
+- [Using Rsync with SSH](http://ramblings.narrabilis.com/using-rsync-with-ssh)
+- [Rsync on Arch Linux](https://wiki.archlinux.org/index.php/rsync)