[Notify] Add notification about slow internet speed

configuration/automations/notify-slow-internet.yaml

@@ -0,0 +1,15 @@
+- id: notify-slow-internet
+  alias: '[Notify] Slow internet'
+  mode: single
+  trigger:
+    - platform: numeric_state
+      entity_id: sensor.speedtest_download
+      for:
+        hours: 0
+        minutes: 15
+        seconds: 0
+      below: '110'
+  action:
+    - service: notify.mobile_app_iphone_pg
+      data:
+        message: Internet speed fell down to 100 Mbit