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/pages/postulations/current/current.page.ts

@@ -1,10 +1,11 @@
 import { Component, OnInit } from '@angular/core';
-import { ModalController, MenuController, NavController, Events } from '@ionic/angular';
+import { MenuController, NavController } from '@ionic/angular';
+import { EventService } from '../../../services/event.service';
 import { EnvService } from 'src/app/services/env.service';
 import { AuthService } from 'src/app/services/auth.service';
 import { IchambaService } from 'src/app/services/ichamba.service';
 import { AlertService } from 'src/app/services/alert.service';
-import { InAppBrowser } from '@ionic-native/in-app-browser/ngx';
+import { Browser } from '@capacitor/browser';
 
 @Component({
   selector: 'app-current',
@@ -13,18 +14,16 @@ import { InAppBrowser } from '@ionic-native/in-app-browser/ngx';
 })
 export class CurrentPage implements OnInit {
 
-  postulations = [];
-  postulations_dates = [];
+  postulations: any[] = [];
+  postulations_dates: any[] = [];
 
   constructor(
-    private modalController: ModalController,
     private menu: MenuController,
     private navCtrl: NavController,
-    private events: Events,
+    private events: EventService,
     private authService: AuthService,
     private alertService: AlertService,
     private ichambaService: IchambaService,
-    private iab: InAppBrowser,
     private env: EnvService,
   ) {
     this.events.subscribe('refreshpostulations', (data) => {
@@ -72,8 +71,8 @@ export class CurrentPage implements OnInit {
       });
   }
 
-  openMaps(lat: Number, lng: Number) {
-    this.iab.create(('http://maps.google.com/maps?q=' + lat + ',' + lng), '_system')
+  async openMaps(lat: Number, lng: Number) {
+    await Browser.open({ url: 'http://maps.google.com/maps?q=' + lat + ',' + lng });
   }
 
 }