docs: Waybar-Integrations-Beispiel mit Config und Styling

docs/waybar-example.md

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+# Waybar-Integration
+
+## Modul-Konfiguration (`~/.config/waybar/config`)
+
+```json
+"custom/headset": {
+    "exec": "corsairctl json",
+    "return-type": "json",
+    "interval": 30,
+    "format": "{}",
+    "on-click": "corsairctl sidetone 0",
+    "on-click-right": "corsairctl sidetone 10"
+}
+```
+
+## Styling (`~/.config/waybar/style.css`)
+
+```css
+#custom-headset {
+    padding: 0 8px;
+}
+
+#custom-headset.charging {
+    color: #a6e3a1;
+}
+
+#custom-headset.normal {
+    color: #cdd6f4;
+}
+
+#custom-headset.warning {
+    color: #f9e2af;
+}
+
+#custom-headset.low,
+#custom-headset.critical {
+    color: #f38ba8;
+}
+
+#custom-headset.offline {
+    color: #6c7086;
+}
+```
+
+## JSON-Output Beispiel
+
+```json
+{"text": "󰋋 64%", "tooltip": "HS80: 64% — Charging", "class": "charging", "percentage": 64}
+```
+
+## CSS-Klassen
+
+| Klasse     | Bedingung                      |
+|------------|--------------------------------|
+| `charging` | Lädt oder voll geladen         |
+| `normal`   | Entladen, > 30%               |
+| `warning`  | Entladen, 16-30%              |
+| `critical` | Entladen, ≤ 15%               |
+| `low`      | Gerät meldet "Low"             |
+| `offline`  | Headset ausgeschaltet/getrennt |