Add NFC chore submission feature and enhance family settings

- Introduced NFC support for chore submissions, allowing specific person credit after Head of Household approval.
- Updated family settings to include NFC base URL, scan cooldown, and confirmation page options.
- Enhanced chore management with options for anyone to complete chores and NFC link generation.
- Improved API endpoints for handling NFC tokens and chore submissions.
- Updated readme to reflect new NFC features and settings.

api/people_delete.php

@@ -6,7 +6,7 @@ if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
     sendJson(['success' => false, 'error' => 'Method not allowed'], 405);
 }
 
-$people = normalizePeopleList(readJsonFile('people.json'));
+$people = migrateAllPeople(normalizePeopleList(readJsonFile('people.json')));
 assertHoHCanManagePeople($people);
 
 $body = readJsonBody();