docs: answer recurring MeshMapper FAQ questions

[MrAlders0n]

Summary

• Answer 69 recurring question groups in the FAQ and existing guides.
• Correct outdated region administrator, portal, password reset, and observer setup instructions.
• Add the app beta opt-in steps and verified installation links.

Verification

• mkdocs build --strict --site-dir /tmp/meshmapper-faq-site passed.
• python3.13 -m unittest discover -s tests passed: 121 tests.
• Added wiki text passed the exported-author-name and Discord ID privacy check.
• All 69 mapped wiki anchors exist in the built site.

Question groups and source checks

Group IDs refer to the private FAQ analysis; no chat content is included here. Server, App, Subscriber, and Bot refer to the corresponding source repositories. The Discord beta opt-in step was provided directly by the project owner.

Group	Wiki answer	Source reference
region-admin-001	onboarding.md#volunteer-as-region-administrator	Server:index.php:1501, Server:master_admin.php:3685
region-admin-060	faq.md#administration	Server:master_admin.php:3999
region-admin-017	onboarding.md#volunteer-as-region-administrator	Server:master_admin.php:3702, Server:discord_api.php:151
observers-mqtt-007	mqtt-main.md#3-meshcore-mqtt-native-firmware	Server:index.php:1390
region-admin-003	faq.md#administration	Server:dev/index.php:5258
region-admin-004	admins.md#adding-a-new-administrator	Server:dev/admin.php:4528, Server:account_auth.php:453
observers-mqtt-025	mqtt-pymc.md#verifying-your-observer	Server:process_observers.php:147, Server:broker_registry.php:185
repeaters-005	admins.md#repeaters	Server:dev/index.php:18877, Server:dev/admin.php:8099
region-admin-057	faq.md#administration	Server:master_admin.php:7018, Server:master_admin.php:6876
repeaters-057	admins.md#repeaters	Server:dev/admin.php:2514
app-024	app_troubleshooting.md#data-upload-issues	App:lib/screens/connection_screen.dart:1438
region-admin-046	faq.md#administration	Server:index.php:349, Server:iata_validate.php:1
account-001	admins.md#registration	Server:admin.php:470, Server:portal.php:331
region-admin-013	faq.md#administration	Bot:bot.py:416, Server:account_auth.php:502
wardriving-026	faq.md#mobile-app	Server:wardrive-api.php:4051, App:lib/providers/app_state_provider.dart:9818
region-admin-053	faq.md#administration	Server:master_admin.php:7018
region-admin-051	faq.md#administration	Server:index.php:375
app-131	faq.md#mobile-app	Server:repeater_admin.php:157, App:lib/screens/onboarding/onboarding_guide_pages.dart:1294
account-004	faq.md#portal-accounts	Server:admin.php:470, Server:account_auth.php:173
observers-mqtt-048	mqtt-pymc.md#verifying-your-observer	Server:broker_registry.php:185, Server:dev/admin.php:5436
account-002	admins.md#registration	Server:portal.php:1040, Server:dev/admin.php:4528
region-admin-056	faq.md#administration	Server:master_admin.php:5963
observers-mqtt-018	mqtt-main.md#common-observer-questions	Server:pending_region.php:117
account-023	faq.md#portal-accounts	Server:dev/admin.php:4490, Server:portal.php:616
repeaters-047	admins.md#stale-ping-cleanup-auto-delete-orphaned-pings	Server:stale_ping_cleanup.php:718, Server:dev/admin.php:7679
observers-mqtt-030	mqtt-pymc.md#verifying-your-observer	Server:dev/admin.php:8099, Server:process_observers.php:147
observers-mqtt-036	mqtt-main.md#common-observer-questions	Server:broker_registry.php:3, Server:index.php:1390
region-admin-082	faq.md#administration	Server:dev/admin.php:7748
observers-mqtt-055	mqtt-main.md#common-observer-questions	Server:dev/admin.php:5389, Server:broker_registry.php:197
region-admin-022	faq.md#administration	Server:index.php:327, Server:pending_region.php:81
region-admin-023	faq.md#administration	Server:index.php:314
account-008	faq.md#portal-accounts	Server:portal.php:1399, Server:portal.php:1415
account-018	faq.md#portal-accounts	Server:portal.php:151, Server:portal.php:1415
region-admin-021	faq.md#administration	Server:pending_region.php:245, Server:pending_region.php:298
region-admin-030	region_boundaries.md	Server:boundary_audit.php:122, Server:dev/admin.php:5869
region-admin-080	faq.md#administration	Server:group_settings_sync.php:36, Server:dev/admin.php:8033
app-058	faq.md#mobile-app	App:docs/LIVE_ACTIVITIES.md:11, App:DEVELOPMENT.md:1670
map-048	faq.md#administration	Server:dev/index.php:814, Server:dev/admin.php:5869
map-022	faq.md#wardriving-coverage	Server:stale_ping_cleanup.php:718
region-admin-071	faq.md#administration	Server:account_auth.php:94
region-admin-018	faq.md#administration	Server:index.php:375
region-admin-041	region_boundaries.md	Server:dev/admin.php:12304
account-019	portal.md#creating-an-account	Server:admin.php:646
map-063	layers.md#filter-map-data	Server:dev/index.php:840
region-admin-009	faq.md#administration	Server:account_auth.php:173, Server:dev/admin.php:1465
region-admin-048	faq.md#administration	Server:index.php:327, Server:region_reiata.php:1
region-admin-050	mqtt-python.md#6-iata-code	Server:broker_registry.php:185, Subscriber:subscriber.py:1993
wardriving-020	app_troubleshooting.md#data-upload-issues	Server:wardrive-api.php:4193, App:lib/services/api_service.dart:1875
wardriving-044	faq.md#mobile-app	Server:dev/admin.php:7748
repeaters-044	admins.md#repeaters	Server:api.php:2384
map-017	visuals.md#repeaters	Server:dev/index.php:18877
region-admin-089	app_connection_guide.md#zone-authentication	Server:wardrive-api.php:1589, App:lib/providers/app_state_provider.dart:9199
wardriving-051	faq.md#mobile-app	Server:offline_analysis.php:192, App:lib/providers/app_state_provider.dart:6453
account-010	faq.md#portal-accounts	Server:portal.php:1357, Server:portal.php:1040
region-admin-047	faq.md#administration	Server:index.php:349
region-admin-062	faq.md#administration	Server:dev/admin.php:3217, Server:master_admin.php:3999
observers-mqtt-068	faq.md#access-to-data	Server:broker_registry.php:3, Server:coverage.php:496
observers-mqtt-083	mqtt-python.md#6-iata-code	Server:broker_registry.php:185, Subscriber:subscriber.py:1993
region-admin-072	faq.md#administration	Server:account_auth.php:94, Server:master_admin.php:4632
observers-mqtt-002	mqtt-main.md	Server:index.php:1390
region-admin-008	faq.md#administration	Server:account_auth.php:572
region-admin-042	region_boundaries.md	Server:index.php:375, Server:master_admin.php:3999
app-071	app_connection_guide.md#zone-authentication	Server:wardrive-api.php:1589, App:lib/providers/app_state_provider.dart:9199
region-admin-105	faq.md#administration	Server:dev/admin.php:4490
app-014	faq.md#mobile-app	Server:wardrive-api.php:2359, App:lib/providers/app_state_provider.dart:9198
repeaters-023	embedding.md#repeater-id-grid	Server:dev/index.php:6669
account-007	botcommands.md#command-reference	Server:discord_api.php:53, Bot:bot.py:460
bot-014	botcommands.md#command-reference	Server:discord_api.php:53, Bot:bot.py:460
app-003	app_getting_started.md#get-the-app	App:README.md:19