add apibuilder widget to make api callsmore straightforward and data updateable from everywhere through providers

frontend/lib/api/api_client.dart

@@ -2,7 +2,8 @@ import 'package:dio/dio.dart';
 import 'package:flutter/foundation.dart';
 
 class ApiClient {
-  static const String _apiBase = !kDebugMode ? "http://localhost:8081/api" : "api";
+  static const String _apiBase =
+      kDebugMode ? "http://localhost:8081/api" : "api";
   final Dio _dio = Dio(BaseOptions(baseUrl: _apiBase));
 
   String? token;

frontend/lib/api/builds.dart

@@ -2,8 +2,17 @@ import '../models/build.dart';
 import 'api_client.dart';
 
 extension BuildsAPI on ApiClient {
-  Future<List<Build>> listAllBuilds() async {
-    final resp = await getRawClient().get("/builds");
+  Future<List<Build>> listAllBuilds({int? pkgID, int? limit}) async {
+    String uri = "/builds?";
+    if (pkgID != null) {
+      uri += "pkgid=$pkgID";
+    }
+
+    if (limit != null) {
+      uri += "limit=$limit";
+    }
+
+    final resp = await getRawClient().get(uri);
 
     final responseObject = resp.data as List;
     final List<Build> packages =

frontend/lib/api/packages.dart

@@ -11,9 +11,21 @@ extension PackagesAPI on ApiClient {
     return packages;
   }
 
+  Future<Package> getPackage(int id) async {
+    final resp = await getRawClient().get("/package/$id");
+
+    final package = Package.fromJson(resp.data);
+    return package;
+  }
+
   Future<void> addPackage({bool force = false, required String name}) async {
     final resp = await getRawClient()
         .post("/packages/add", data: {'force_build': force, 'name': name});
     print(resp.data);
   }
+
+  Future<bool> deletePackage(int id) async {
+    final resp = await getRawClient().post("/package/delete/$id");
+    return resp.statusCode == 200;
+  }
 }