use env vars for config

config/services.yaml

@@ -3,22 +3,20 @@
 - Network:
     - Pi-hole Primary:
         icon: pi-hole.png
-        href: http://192.168.1.X/admin/
+        href: http://{{HOMEPAGE_VAR_PIHOLE_1_IP}}/admin/
         widget:
           type: pihole
-          url: http://192.168.1.X
-          key: ""
+          url: http://{{HOMEPAGE_VAR_PIHOLE_1_IP}}
+          key: "{{HOMEPAGE_VAR_PIHOLE_1_KEY}}"
     - Pi-hole Secondary:
         icon: pi-hole.png
-        href: http://192.168.1.Y/admin/
+        href: http://{{HOMEPAGE_VAR_PIHOLE_2_IP}}/admin/
         widget:
           type: pihole
-          url: http://192.168.1.Y
-          key: ""
+          url: http://{{HOMEPAGE_VAR_PIHOLE_2_IP}}
+          key: "{{HOMEPAGE_VAR_PIHOLE_2_KEY}}"
 
 # Groups for auto-discovery
-# Even though Homepage creates groups automatically, defining them here controls the order.
-
 - Portfolio: []
 - Web: []
 - Monitoring: []