[fix] Added basic locatlization

lib/pages/collection_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
+import '../l10n/app_localizations.dart';
 import '../model/bookmark.dart';
 import '../model/maps_link_metadata.dart';
 import '../service/bookmarks_provider.dart';
@@ -89,13 +90,15 @@ class _CollectionPageState extends State<CollectionPage> {
     return Scaffold(
       appBar: AppBar(
         title: selectedMapsLink != null
-            ? Text('Add to ${collection.name}')
+            ? Text(
+                AppLocalizations.of(context)!.addToCollection(collection.name),
+              )
             : Text(collection.name),
         actions: [
           if (selectedMapsLink != null)
             TextButton(
               onPressed: () => provider.removeCurrentMapsLink(),
-              child: Text('Cancel'),
+              child: Text(AppLocalizations.of(context)!.cancel),
             ),
         ],
       ),

lib/pages/collections_list_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
+import '../l10n/app_localizations.dart';
 import '../model/collection.dart';
 import '../service/bookmarks_provider.dart';
 import '../service/shared_link_provider.dart';
@@ -88,13 +89,13 @@ class _CollectionsListPageState extends State<CollectionsListPage> {
     return Scaffold(
       appBar: AppBar(
         title: addingNewBookmark
-            ? Text('Choose Collection')
-            : Text('Collections'),
+            ? Text(AppLocalizations.of(context)!.chooseCollection)
+            : Text(AppLocalizations.of(context)!.collections),
         actions: [
           if (addingNewBookmark)
             TextButton(
               onPressed: () => provider.removeCurrentMapsLink(),
-              child: Text('Cancel'),
+              child: Text(AppLocalizations.of(context)!.cancel),
             )
           else
             IconButton(
@@ -116,7 +117,9 @@ class _CollectionsListPageState extends State<CollectionsListPage> {
               ),
               itemCount: collections.length,
             )
-          : Center(child: Text('Create your first Collection to get started!')),
+          : Center(
+              child: Text(AppLocalizations.of(context)!.tipCreateCollections),
+            ),
     );
   }
 }

lib/pages/search_page.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import '../l10n/app_localizations.dart';
 import '../service/search_provider.dart';
 import '../widgets/search_widgets/search_bar_widget.dart';
 import '../widgets/search_widgets/search_results_widget.dart';
@@ -12,7 +13,7 @@ class SearchPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(title: Text('Search')),
+      appBar: AppBar(title: Text(AppLocalizations.of(context)!.search)),
       body: Column(
         children: [
           SearchBarWidget(