* Document custom alarm sounds (#42)

* Update minimum iOS requirement to iOS 18 (#44)

* Document APNS in Import/Export Settings (#45)

Add APNS Settings to the Export/Import Settings lists and note that
exporting requires a configured APNS Key ID and Key and that importing
overwrites the existing APNS credentials.

* Document Nightscout database size info row and alarm (#46)

* Document Nightscout database size info row and alarm

Add the DB Size info row to the Information Display table and the
Nightscout Database Size alarm to the Alarm Types reference, with a note
explaining the dbsize plugin requirement and the DBSIZE_MAX caveat.

* Clarify DB Size description in lf-setup.md

Updated the DB Size description to specify Megabytes (MB) instead of MiB for clarity.

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Co-authored-by: Marion Barker <19607791+marionbarker@users.noreply.github.com>

* Document search in the alarms list, Add Alarm sheet, and Menu (#47)

Note the search fields added to the alarms list and Add Alarm sheet in
the Alarms feature, and the Menu search that also spans the Settings
sub-screen rows and deep-links into them.

* Document the dismissable status banner (#48)

* Document the dismissable status banner

Describe the top banner that surfaces Nightscout, Dexcom Share, and
Bluetooth heartbeat problems, and how it clears and is dismissed.

* Update lf-features.md

* Document alarm skip options (#49)

Describe the opt-in Skip if BG is rising / Skip if BG is falling /
Skip while charging toggles on the Low, High, and Low Battery alarms.

* Document Information Display color thresholds (#50)

Describe the per-row drill-in detail and the optional Yellow/Red color
thresholds, including the fixed concerning direction and the rows that
support coloring with their default thresholds.

* Document the first-run onboarding guide (#51)

* Document the first-run onboarding guide

Rewrite the Initial Configuration section to describe the step-based
onboarding wizard (welcome, overview, data source, connect, units,
alarm basics, recommended alarms, tabs, notifications, privacy, done)
and the deferred Notifications/Calendar/Bluetooth permissions, with
screenshots of the welcome, overview, data-source, and connect steps.

* Add camera to deferred permission

Corrected capitalization in 'Deferred permissions' section and clarified the Camera permission description.

* Update camera permission request description

Clarified the camera permission request explanation.

* Update camera permission request explanation

Clarified the context for requesting camera permission in the setup guide.

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Co-authored-by: Marion Barker <19607791+marionbarker@users.noreply.github.com>

* Correct DB Size units and the recommended-alarms list (#53)

* Correct DB Size units to MiB and the recommended-alarms list

* Fix broken Advanced settings anchor

* Document predictive low alert, small-graph scrubbing, and Rec. Bolus formatting (#54)

* Document the Snoozer screen (#55)

* Add Bluetooth heartbeat and Contact screenshots, list Omnipod DASH heartbeat (#56)

* Fill in Loop remote meal, bolus, override, and troubleshooting sections (#57)

* Fill in Trio remote meal, bolus, temp target, and override sections (#58)

* Add v7.0.0 highlights, per-version anchors, and 6.2/7.0 history rows (#59)

* Document the active override and temp target remaining time displays (#60)

The Live Activity shows a row below the grid with the active override or
temp target, with a countdown when 2 hours or less remain. The Override
grid slot option is now only offered for the small widget slot.

The Trio and Loop remote control screens show the remaining time of the
active override or temp target, and the Trio remote control buttons get
a green glow while one is active. New screenshots show the active
states.

* update the menu graphic with search field

* include MiB in glossary

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Co-authored-by: Jonas Björkert <jonas@bjorkert.se>