Add admin user details, pack notifications, remove crypto

- Add enabled packs and feature interests to admin user page
- Add clickable links from responses to packs in admin
- Add pack change notification edge function
- Remove react-native-quick-crypto (unused E2EE)
- Bump mobile version to 1.0.1 (versionCode 22)
- Add EAS config and preview build scripts
- Gitignore keystore and APK files

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/mobile/app.json

@@ -176,7 +176,7 @@
         "backgroundColor": "#1a1a2e"
       },
       "package": "com.sauci.app",
-      "versionCode": 21,
+      "versionCode": 22,
       "googleServicesFile": "./google-services.json",
       "permissions": [
         "RECEIVE_BOOT_COMPLETED",