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Ref PR: https://github.com/home-assistant/mobile-apps-fcm-push/pull/145
## Summary
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importantly what they aim to achieve -->
## Screenshots
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screenshots in light and dark mode. -->
## Link to pull request in Documentation repository
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Documentation: home-assistant/companion.home-assistant#
## Any other notes
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## Summary
Swift lint and swiftformat are outdated. This PR does update those +
applies the new formatting form swiftformat.
There is 1 swift file with a manual change:
`Sources/Vehicle/Templates/Areas/CarPlayAreasViewModel.swift`. This is
done because `swiftlint` did create the following swiftlint error:
`error: Cyclomatic Complexity Violation: Function should have complexity
10 or less; currently complexity is 11 (cyclomatic_complexity)`.
Because it does change a lot of files the question is if we want to
finetune the `swiftformat` rules.
## Screenshots
No user facing changes.
## Link to pull request in Documentation repository
NA
## Any other notes
NA
## Summary
Implements the push send and rate limit information in Swift using Vapor.
## Any other notes
This will allow us to get off Firebase, which gives a few immediate benefits:
- We can send PushKit notifications for complications, widgets, and location updates.
- We remove the last SDK that uses network connectivity to third parties.
