v1.7.4 - Android permissions and build documentation

Changes:
- AndroidManifest.xml: Added all required permissions
  - Network: INTERNET, ACCESS_NETWORK_STATE
  - Media: CAMERA, RECORD_AUDIO
  - Location: ACCESS_FINE/COARSE_LOCATION
  - Storage: READ_MEDIA_* (Android 13+), READ_EXTERNAL_STORAGE (≤12)
- Added android:usesCleartextTraffic=true for HTTP
- Added docs/BUILD-v1.7.4.md with full build report
- Added CHANGELOG.md

Build: Flutter 3.38.5 / Dart 3.10.4 / Java 17
APK: 49MB | SHA-256: 7f57bee3edec...

CHANGELOG.md

@@ -0,0 +1,32 @@
+# Changelog
+
+## [1.7.4] - 2025-12-23
+
+### Added
+- Permisos completos de Android en AndroidManifest.xml:
+  - INTERNET, ACCESS_NETWORK_STATE
+  - CAMERA, RECORD_AUDIO
+  - ACCESS_FINE_LOCATION, ACCESS_COARSE_LOCATION
+  - READ_MEDIA_IMAGES/VIDEO/AUDIO (Android 13+)
+  - READ_EXTERNAL_STORAGE (Android ≤12)
+- Configuración `android:usesCleartextTraffic="true"` para HTTP
+
+### Build Info
+- Flutter 3.38.5 (stable)
+- Dart 3.10.4
+- Java OpenJDK 17.0.17
+- APK Size: 49 MB
+- SHA-256: `7f57bee3edec7342d6ca78d789704fec3827e3bf85f11ac362dcbacc8371ef1a`
+
+## [1.0.0] - 2025-12-21
+
+### Added
+- Release inicial
+- 5 pantallas: Captura, Etiquetas, Packs, Pendientes, Config
+- Arquitectura Clean con BLoC
+- Soporte offline con cola de reintentos
+- Integración con backend via API REST
+- Sistema de etiquetas desde bibliotecas remotas
+- Captura multimedia (fotos, video, audio, archivos)
+- GPS location
+- Hash SHA-256 para contenedores