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/auth/register/register.page.ts

@@ -1,10 +1,10 @@
 import { Component, OnInit } from '@angular/core';
-import { ModalController, NavController, LoadingController } from '@ionic/angular';
+import { NavController, LoadingController } from '@ionic/angular';
 import { AuthService } from 'src/app/services/auth.service';
 import { NgForm } from '@angular/forms';
 import { AlertService } from 'src/app/services/alert.service';
 import { TranslateService } from '@ngx-translate/core';
-import { InAppBrowser } from '@ionic-native/in-app-browser/ngx';
+import { Browser } from '@capacitor/browser';
 
 @Component({
   selector: 'app-register',
@@ -13,16 +13,14 @@ import { InAppBrowser } from '@ionic-native/in-app-browser/ngx';
 })
 export class RegisterPage implements OnInit {
 
-  loading = null;
+  loading: any = null;
   terms = false;
 
   constructor(
-    private modalController: ModalController,
     private authService: AuthService,
     private translateService: TranslateService,
     private navCtrl: NavController,
     private loadingCtrl: LoadingController,
-    private iab: InAppBrowser,
     private alertService: AlertService
   ) { }
   ngOnInit() {
@@ -87,7 +85,7 @@ export class RegisterPage implements OnInit {
 
   }
 
-  openTerms() {
-    this.iab.create('https://jobheroapp.com/terminos-y-condiciones', '_system')
+  async openTerms() {
+    await Browser.open({ url: 'https://jobheroapp.com/terminos-y-condiciones' });
   }
 }