feat(alerts): deep-link taps to UPS/Temps/Overview views [#344]

clickAction (Android) + url (iOS) on all 9 alert notifications;
explicit lovelace view paths for deterministic links.
https://projects.knownelement.com/issues/344

dashboards/server-room.yaml

@@ -2,6 +2,7 @@
 title: Server Room
 views:
   - title: Overview
+    path: overview
     type: sections
     sections:
       - type: grid
@@ -59,6 +60,7 @@ views:
             hours_to_show: 24
 
   - title: UPS
+    path: ups
     type: sections
     sections:
       - type: grid
@@ -148,6 +150,7 @@ views:
               - binary_sensor.garage_temp_rising
 
   - title: Temps
+    path: temps
     type: sections
     sections:
       - type: grid