replace: swap prosappweb content for prosapp_web_app (more complete version)

prosapp_web_app has chat, dashboard, calendar, support, 13 providers and
Fluro URL routing. Keep Dockerfile + nginx.conf from previous prosappweb.
Upgrade google_fonts 6.2.1 → 8.1.0 (Dart 3.12 compat fix).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/providers/cities_provider.dart

@@ -0,0 +1,55 @@
+import 'package:flutter/material.dart';
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:prosapp_web_app/models/city.dart';
+import 'package:prosapp_web_app/models/country_entity.dart';
+
+class CitiesProvider extends ChangeNotifier {
+  List<City> cities = [];
+  bool isLoading = true;
+
+  final _citiesCollection =
+      FirebaseFirestore.instance.collection('countries v2');
+
+  CitiesProvider() {
+    getCities();
+  }
+
+  getCoordsOfCity(String cityName) {
+    if (cities.isEmpty) return null;
+
+    for (var city in cities) {
+      if (city.cityName == cityName) {
+        return city.coordsOfCity;
+      }
+    }
+    return null;
+  }
+
+  getCities() async {
+    try {
+      final querySnapshot = await _citiesCollection.doc('Colombia').get();
+
+      final data = querySnapshot.data();
+
+      final country = CountryEntity.fromDocument(data as Map<String, dynamic>);
+
+      for (var region in country.regions) {
+        for (var city in region.cities) {
+          cities.add(City(
+            cityName: city.name,
+            coordsOfCity: city.coords,
+            stateOfCity: region.name,
+            countryOfCity: country.name,
+          ));
+        }
+      }
+
+      cities.sort((a, b) => a.cityName.compareTo(b.cityName));
+    } catch (e) {
+      print('Error obteniendo ciudades: $e');
+    } finally {
+      isLoading = false;
+      notifyListeners();
+    }
+  }
+}