Upgrade: Angular 18, Ionic 8, Capacitor 6

Modernizacion completa del frontend:

- Angular 8 -> 18.2.14
- Ionic 4 -> 8.7.17
- Capacitor 6.x (migracion desde Cordova/@ionic-native)
- TypeScript 5.4.5
- Swiper 11 con Web Components API

Cambios principales:
- Migrar NativeStorage a @capacitor/preferences
- Migrar InAppBrowser a @capacitor/browser
- Migrar Camera a @capacitor/camera
- Migrar Geolocation a @capacitor/geolocation
- Migrar StatusBar/SplashScreen a Capacitor
- Migrar Facebook/Google login a plugins Capacitor
- Actualizar lazy loading syntax (Angular 12+)
- Configurar buildOptimizer: false para Ionic 8
- Limpiar package.json de dependencias obsoletas
- Agregar README con guia de instalacion

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

.gitignore

@@ -1,67 +1,72 @@
-# ---> Android
-# Gradle files
-.gradle/
-build/
+# Dependencies
+/node_modules
+package-lock.json
 
-# Local configuration file (sdk path, etc)
-local.properties
+# Build outputs
+/dist
+/www
+/.angular
 
-# Log/OS Files
-*.log
-
-# Android Studio generated files and folders
-captures/
-.externalNativeBuild/
-.cxx/
-*.apk
-output.json
-
-# IntelliJ
-*.iml
-.idea/
-misc.xml
-deploymentTargetDropDown.xml
-render.experimental.xml
-
-# Keystore files
-*.jks
-*.keystore
-
-# Google Services (e.g. APIs or Firebase)
-google-services.json
-
-# Android Profiling
-*.hprof
-
->>>>>>> 3ee11a07d80dfc9282f1d03d24ee562d84852742
-# Specifies intentionally untracked files to ignore when using Git
-# http://git-scm.com/docs/gitignore
+# IDE
+/.idea
+/.vscode
+*.sublime-project
+*.sublime-workspace
 
+# System files
+.DS_Store
+Thumbs.db
 *~
 *.sw[mnpcod]
+
+# Logs
+*.log
+npm-debug.log*
+yarn-error.log
+
+# Temporary files
 .tmp
 *.tmp
 *.tmp.*
-*.sublime-project
-*.sublime-workspace
-.DS_Store
-Thumbs.db
-UserInterfaceState.xcuserstate
-$RECYCLE.BIN/
 
-*.log
-log.txt
-npm-debug.log*
-
-/.idea
+# Ionic/Capacitor
 /.ionic
-/.sass-cache
 /.sourcemaps
-/.versions
-/.vscode
-/coverage
-/dist
-/node_modules
-/platforms
 /plugins
-/www
+/platforms
+
+# Android
+android/.gradle/
+android/build/
+android/app/build/
+android/local.properties
+android/captures/
+android/.externalNativeBuild/
+android/.cxx/
+*.apk
+*.aab
+*.jks
+*.keystore
+google-services.json
+*.hprof
+
+# iOS
+ios/App/Pods/
+*.xcworkspace
+*.xcuserstate
+
+# Environment
+.env
+.env.local
+.env.*.local
+
+# Test
+/coverage
+.phpunit.result.cache
+
+# Sass
+/.sass-cache
+
+# Misc
+*.iml
+output.json