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>

src/app/app.module.ts

@@ -3,30 +3,13 @@ import { BrowserModule } from '@angular/platform-browser';
 import { RouteReuseStrategy } from '@angular/router';
 
 import { IonicModule, IonicRouteStrategy } from '@ionic/angular';
-import { SplashScreen } from '@ionic-native/splash-screen/ngx';
-import { StatusBar } from '@ionic-native/status-bar/ngx';
 
 import { AppComponent } from './app.component';
 import { AppRoutingModule } from './app-routing.module';
-import { HttpClientModule, HttpClient } from '@angular/common/http';
+import { HttpClient, provideHttpClient, withInterceptorsFromDi } from '@angular/common/http';
 import { TranslateModule, TranslateLoader } from '@ngx-translate/core';
 import { TranslateHttpLoader } from '@ngx-translate/http-loader';
-import { Camera } from '@ionic-native/Camera/ngx';
-import { File } from '@ionic-native/File/ngx';
-import { WebView } from '@ionic-native/ionic-webview/ngx';
-import { FilePath } from '@ionic-native/file-path/ngx';
-import { NativeStorage } from '@ionic-native/native-storage/ngx';
-import { Facebook, FacebookLoginResponse  } from '@ionic-native/facebook/ngx';
-import { GooglePlus } from '@ionic-native/google-plus/ngx';
-import { OneSignal } from '@ionic-native/onesignal/ngx';
-import { Geolocation } from '@ionic-native/geolocation/ngx';
-import { LocationAccuracy } from '@ionic-native/location-accuracy/ngx';
-import { GoogleMaps, Geocoder } from '@ionic-native/google-maps';
-import { InAppBrowser } from '@ionic-native/in-app-browser/ngx';
 
-import { BrMaskerModule } from 'br-mask';
-import { IonicRatingModule } from 'ionic4-rating';
-import { TagInputModule } from 'ngx-chips';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 
 export function createTranslateLoader(http: HttpClient) {
@@ -35,12 +18,11 @@ export function createTranslateLoader(http: HttpClient) {
 
 @NgModule({
   declarations: [AppComponent],
-  entryComponents: [],
+  bootstrap: [AppComponent],
   imports: [
     BrowserModule,
     IonicModule.forRoot(),
     AppRoutingModule,
-    HttpClientModule,
     TranslateModule.forRoot({
       loader: {
         provide: TranslateLoader,
@@ -48,29 +30,11 @@ export function createTranslateLoader(http: HttpClient) {
         deps: [HttpClient]
       }
     }),
-    BrMaskerModule,
-    IonicRatingModule,
-    TagInputModule,
     BrowserAnimationsModule
   ],
   providers: [
-    StatusBar,
-    SplashScreen,
-    Facebook,
-    OneSignal,
-    GooglePlus,
-    Geolocation,
-    LocationAccuracy,
-    GoogleMaps,
-    Geocoder,
-    InAppBrowser,
     { provide: RouteReuseStrategy, useClass: IonicRouteStrategy },
-    Camera,
-    File,
-    WebView,
-    FilePath,
-    NativeStorage
-  ],
-  bootstrap: [AppComponent]
+    provideHttpClient(withInterceptorsFromDi())
+  ]
 })
 export class AppModule {}