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-journalctl/README.md

@@ -0,0 +1,32 @@
+# Journalctl
+
+This Ansible role manages the configuration of `systemd-journald` on target hosts.
+
+## Description
+
+- Copies a customized `journald.conf` to `/etc/systemd/journald.conf`  
+- Ensures log retention for one week  
+- Restarts the `systemd-journald` service when configuration changes  
+- Supports live log streaming via `journalctl -f`
+
+## Overview
+
+1. **Template deployment**  
+   The role places your `journald.conf.j2` template into `/etc/systemd/journald.conf`.
+2. **Service handler**  
+   On change, it notifies a handler to restart `systemd-journald`.
+3. **Monitoring**  
+   You can follow logs in real time with `journalctl -f`.
+
+## Features
+
+- Customizable retention and runtime limits  
+- Seamless restarts on config update  
+- Integration with `monitor-bot-journalctl` for downstream monitoring
+
+## Usage
+
+```yaml
+- hosts: all
+  roles:
+    - role: core-journalctl