Add Home Assistant widget with custom entities

Shows Anwesenheit/Status as emoji via templates (input_select states
mapped to symbols instead of raw text) plus Netz and Solar power
sensors. Token documented in .env.example.

services.yaml

@@ -131,6 +131,19 @@
         icon: home-assistant.svg
         href: https://haos.vogt.de.com/
         description: Home Assistant
+        widget:
+          type: homeassistant
+          url: https://haos.vogt.de.com
+          key: "{{HOMEPAGE_VAR_HOMEASSISTANT_TOKEN}}"
+          custom:
+            - template: "{% if states('input_select.hausanwesenheit') == 'Anwesend' %}🏠{% elif states('input_select.hausanwesenheit') == 'Abwesend' %}🚪{% elif states('input_select.hausanwesenheit') == 'Urlaub' %}✈️{% else %}❓{% endif %}"
+              label: Anwesenheit
+            - template: "{% if states('input_select.wohnungsstatus') == 'Normal' %}✅{% elif states('input_select.wohnungsstatus') == 'Nachtruhe' %}🌙{% elif states('input_select.wohnungsstatus') == 'Wochenende' %}🎉{% elif states('input_select.wohnungsstatus') == 'Mittagsschlaf' %}😴{% else %}❓{% endif %}"
+              label: Status
+            - state: sensor.kammer_netzbezug_plus_keller_power_calc
+              label: Netz
+            - state: sensor.solarbank_2_e1600_pro_solarleistung
+              label: Solar
 
     - Homematic:
         icon: homematic-ip.png