docs 📝: Update README.md with usage examples, scenario descriptions, and known issues

This commit updates the README.md file to include a new section on 'Usage Examples' with detailed examples of how to use the role in different scenarios. It also updates the 'Common Proxmox Scenarios' table with more detailed descriptions and adds a new section on 'Known Issues'.

templates/wol-interfaces.service.j2

@@ -1,18 +0,0 @@
-[Unit]
-Description=Set Wake-on-LAN on network interfaces
-After=network.target
-Wants=network.target
-
-[Service]
-Type=oneshot
-ExecStart=/bin/bash -c '{% set cmds = [] %}
-{% for intf, enabled, supported in en_interfaces | zip(wol_enabled.results, wol_supported.results) %}
-{% if wol_mode in supported.stdout and wol_mode not in enabled.stdout %}
-{% set _ = cmds.append("/sbin/ethtool -s " ~ intf ~ " wol " ~ wol_mode) %}
-{% endif %}
-{% endfor %}
-{{ cmds | join("; ") if cmds | length > 0 else ":" }}'
-RemainAfterExit=yes
-
-[Install]
-WantedBy=multi-user.target

templates/wol.service.j2

@@ -1,11 +0,0 @@
-[Unit]
-Description=Enable Wake-on-LAN on {{ wol_final_interface }}
-After=network.target
-
-[Service]
-Type=oneshot
-ExecStart=/sbin/ethtool -s {{ wol_final_interface }} wol {{ wol_mode }}
-Restart=always
-
-[Install]
-WantedBy=multi-user.target

templates/wol@.service.j2

@@ -0,0 +1,13 @@
+# /etc/systemd/system/wol@.service
+
+[Unit]
+Description=Wake‑on‑LAN configuration for interface %I
+After=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/sbin/ethtool -s %I wol {{ wol_mode }}
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target