added correct sorting of quotes in the list; set up a testing environment

frontend/lib/provider/quote_provider.dart

@@ -18,7 +18,7 @@ class QuoteProvider extends ChangeNotifier {
   List<Quote> get filteredQuotes {
     final query = filterController.text.toLowerCase();
 
-    return _quotes.where((quote) {
+    final filtered = _quotes.where((quote) {
       switch (filterBy) {
         case 0:
           return quote.author.toLowerCase().contains(query);
@@ -28,6 +28,11 @@ class QuoteProvider extends ChangeNotifier {
           return true;
       }
     }).toList();
+
+    // sort descending
+    filtered.sort((a, b) => b.id.compareTo(a.id));
+
+    return filtered;
   }
 
   final QuoteRepository repo = QuoteRepository();

frontend/lib/repository/quote_repository.dart

@@ -1,13 +1,12 @@
-// talks to the DB itself
-// TODO: implement the real one
-
 import 'dart:convert';
 import 'package:http/http.dart' as http;
 
 import 'package:frontend/model/quote.dart';
 
 class QuoteRepository {
-  static final String _apiBaseUrl = 'https://hlaskovnik-reimagined-latest.onrender.com';
+  //static final String _realApiBaseUrl = 'https://hlaskovnik-reimagined-latest.onrender.com';
+  static final String _testApiBaseUrl = 'http://localhost:8080';
+  static final String _apiBaseUrl = _testApiBaseUrl;
   static final String _apiKey = "2ogD5kc4sw3JVZoouQSV0w3LGRjSj5IjVFnAnk7IRCIK0ktONCeoOYinbNLSIHuU";
   static final String _quotesEndpoint = '/quotes';