fix: correct code errors and fix dependencies

- Add missing dart:async import in horarios.dart
- Fix typo 'Anadir' -> 'Añadir' in domicilios.dart
- Simplify broken _obtenerHorarioConRetraso method
- Remove file whitespace in notification_service.dart
- Clean up unnecessary comments
- Add flutter_local_notifications to dependencies
- Move packages to correct section (dependencies not dev_dependencies)

pubspec.lock

@@ -129,6 +129,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.4.1"
+  dbus:
+    dependency: transitive
+    description:
+      name: dbus
+      sha256: "792974a4007974fbc5c1b5433eb2330a9db3e368c3f906253af4c007d0f49a91"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.13"
   dio:
     dependency: "direct main"
     description:
@@ -190,8 +198,32 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.0"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      sha256: "55b9b229307a10974b26296ff29f2e132256ba4bd74266939118eaefa941cb00"
+      url: "https://pub.dev"
+    source: hosted
+    version: "16.3.3"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      sha256: c49bd06165cad9beeb79090b18cd1eb0296f4bf4b23b84426e37dd7c027fc3af
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.1"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      sha256: "85f8d07fe708c1bdcf45037f2c0109753b26ae077e9d9e899d55971711a4ea66"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.2.0"
   flutter_map:
-    dependency: "direct dev"
+    dependency: "direct main"
     description:
       name: flutter_map
       sha256: "87cc8349b8fa5dccda5af50018c7374b6645334a0d680931c1fe11bce88fa5bb"
@@ -233,7 +265,7 @@ packages:
     source: hosted
     version: "2.5.0"
   geolocator:
-    dependency: "direct dev"
+    dependency: "direct main"
     description:
       name: geolocator
       sha256: "6cb9fb6e5928b58b9a84bdf85012d757fd07aab8215c5205337021c4999bad27"
@@ -289,7 +321,7 @@ packages:
     source: hosted
     version: "8.2.0"
   google_maps_flutter:
-    dependency: "direct dev"
+    dependency: "direct main"
     description:
       name: google_maps_flutter
       sha256: "9b0d6dab3de6955837575dc371dd772fcb5d0a90f6a4954e8c066472f9938550"
@@ -321,7 +353,7 @@ packages:
     source: hosted
     version: "2.15.0"
   google_maps_flutter_web:
-    dependency: "direct dev"
+    dependency: "direct main"
     description:
       name: google_maps_flutter_web
       sha256: d416602944e1859f3cbbaa53e34785c223fa0a11eddb34a913c964c5cbb5d8cf
@@ -409,7 +441,7 @@ packages:
     source: hosted
     version: "0.3.1"
   latlong2:
-    dependency: "direct dev"
+    dependency: "direct main"
     description:
       name: latlong2
       sha256: "98227922caf49e6056f91b6c56945ea1c7b166f28ffcd5fb8e72fc0b453cc8fe"
@@ -585,7 +617,7 @@ packages:
     source: hosted
     version: "2.3.0"
   permission_handler:
-    dependency: "direct dev"
+    dependency: "direct main"
     description:
       name: permission_handler
       sha256: "59adad729136f01ea9e35a48f5d1395e25cba6cea552249ddbe9cf950f5d7849"
@@ -632,6 +664,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.2.1"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: "91bd59303e9f769f108f8df05e371341b15d59e995e6806aefab827b58336675"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.2"
   platform:
     dependency: transitive
     description:
@@ -737,7 +777,7 @@ packages:
     source: hosted
     version: "2.1.0"
   shared_preferences:
-    dependency: "direct dev"
+    dependency: "direct main"
     description:
       name: shared_preferences
       sha256: c3025c5534b01739267eb7d76959bbc25a6d10f6988e1c2a3036940133dd10bf
@@ -885,6 +925,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.11"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      sha256: "2236ec079a174ce07434e89fcd3fcda430025eb7692244139a9cf54fdcf1fc7d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.4"
   typed_data:
     dependency: transitive
     description:
@@ -902,7 +950,7 @@ packages:
     source: hosted
     version: "0.3.1"
   url_launcher:
-    dependency: "direct dev"
+    dependency: "direct main"
     description:
       name: url_launcher
       sha256: f6a7e5c4835bb4e3026a04793a4199ca2d14c739ec378fdfe23fc8075d0439f8
@@ -1021,6 +1069,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      sha256: "67f0aff7be013d107995e9b75bf4e7f2c3ef2dfdb2c8e68024bba0a7fd5756a4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
   yaml:
     dependency: transitive
     description: