Battery level notifier 🔋🔌

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2. Tools

To extend the battery life, this flow not only warns you when the battery level is low (under 20%) but also when it is high enough (over 80%), the optimal values to keep the battery to extend its life.

Version 5:
- Notification message text changed.

Version 4:
- Max battery level changed to 80% instead of 85%.

Version 3:
- Sound added.

Version 2:
- Notification treated as an alarm and not only a text message.