Provide an option to ignore or set reminders for full day events separately...

Provide an option to ignore or set reminders for full day events separately from other events (#142)

* Implemented

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Increased version

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Added schema

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Small fixes

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Renamed TitleColor fragment and layout to SubscriptionSettings

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Improved structure of `defaultAlarmObserver`

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Minor changes

* Fixed missing observers

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Renamed Subscription Settings View Model

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Removed unnecessary check

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Fixed keyboard not hiding automatically

Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>

* Optimize imports, use setValue() instead of postValue() in UI thread

* Show summary for "no default alarm" setting

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Signed-off-by: Arnau Mora <arnyminer.z@gmail.com>
Co-authored-by: Sunik Kupfer <kupfer@bitfire.at>
Co-authored-by: Ricki Hirner <hirner@bitfire.at>