refactor(sf_shared): add help center URL to BrandLinks

apps/mobile_app/lib/core/firebase_init.dart

@@ -60,6 +60,7 @@ Future<void> setupFirebase(EnvironmentEnum env) async {
     BrandLinksKeys.privacyPolicyUrl:
         'https://savefamilygps.com/pages/politica-de-privacidad-reloj-gps-infantil-localizador-savefamily',
     BrandLinksKeys.corporateWebsiteUrl: 'https://www.savefamilygps.com/',
+    BrandLinksKeys.helpCenterUrl: 'https://savefamilygpshelp.zendesk.com/hc/es',
     BrandLinksKeys.supportEmail: 'info@savefamilygps.com',
   });
   try {

modules/legacy/modules/customer_service/lib/src/presentation/customer_service_screen.dart

@@ -51,9 +51,7 @@ class CustomerServiceScreen extends ConsumerWidget {
             SizedBox(height: SizeUtils.getByScreen(small: 10, big: 9)),
             SectionButton(
               onPressed: () async {
-                final Uri url = Uri.parse(
-                  'https://savefamilygpshelp.zendesk.com/hc/es',
-                );
+                final Uri url = Uri.parse(BrandLinks.helpCenter);
                 if (!await launchUrl(url)) {
                   throw Exception('Could not launch $url');
                 }

packages/sf_shared/lib/src/remote_config/brand_links.dart

@@ -5,6 +5,7 @@ class BrandLinksKeys {
 
   static const privacyPolicyUrl = 'privacy_policy_url';
   static const corporateWebsiteUrl = 'corporate_website_url';
+  static const helpCenterUrl = 'help_center_url';
   static const supportEmail = 'support_email';
 }
 
@@ -17,6 +18,9 @@ class BrandLinks {
   static String get corporateWebsite => FirebaseRemoteConfig.instance
       .getString(BrandLinksKeys.corporateWebsiteUrl);
 
+  static String get helpCenter =>
+      FirebaseRemoteConfig.instance.getString(BrandLinksKeys.helpCenterUrl);
+
   static String get supportEmail =>
       FirebaseRemoteConfig.instance.getString(BrandLinksKeys.supportEmail);
 }