Refactored server roles for better readability

roles/sys-svc-webserver/README.md

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+# Webserver
+
+This Ansible role installs and configures **Nginx** as a core HTTP/stream server on Arch Linux systems. It provides:
+
+* **HTTP serving** with MIME types, gzip compression, caching, and custom `nginx.conf` templating.
+* **TCP/UDP stream support** via the Nginx Streams module.
+* **Directory management** for configuration, `sites-available`/`enabled`, cache, and data.
+* **Debugging helpers**: log formats and instructions for general and detailed troubleshooting.
+
+## Features
+
+* **Package installation** of `nginx` and `nginx-mod-stream`.
+* **Idempotent setup**: tasks run only once per host.
+* **Configurable reset and cleanup** modes to purge and recreate directories.
+* **Custom `nginx.conf`** template with sensible defaults for performance and security.
+* **Stream proxy support**: includes `stream` block for TCP/UDP proxies.
+* **Cache directory management**: cleanup and recreation based on `MODE_CLEANUP`.
+
+
+## Debugging Tips
+
+* **General logs**: `journalctl -f -u nginx`
+* **Filter by host**: `journalctl -u nginx -f | grep "{{ inventory_hostname }}"`
+* **Enable detailed format**: set `MODE_DEBUG: true` and reload Nginx.