feat: add initial dashbot package implementation

- Created a new Dashbot package with core functionalities.
- Implemented Dashbot window model and notifier for state management.
- Added UI components including Dashbot default page and home page.
- Integrated routing for Dashbot with initial routes defined.
- Included assets for Dashbot icons and set up pubspec.yaml.
- Added tests for Dashbot window notifier to ensure functionality.
- Established a basic README and CHANGELOG for the package.

packages/dashbot/lib/core/common/pages/dashbot_default_page.dart

@@ -0,0 +1,40 @@
+import 'package:apidash_design_system/apidash_design_system.dart'
+    show kVSpacer20, kVSpacer16, kVSpacer10;
+import 'package:dashbot/core/utils/dashbot_icons.dart';
+import 'package:flutter/material.dart';
+
+class DashbotDefaultPage extends StatelessWidget {
+  const DashbotDefaultPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      crossAxisAlignment: CrossAxisAlignment.center,
+      children: [
+        kVSpacer16,
+        DashbotIcons.getDashbotIcon1(width: 60),
+
+        kVSpacer20,
+        Text(
+          'Hello there!',
+          style: TextStyle(fontSize: 22, fontWeight: FontWeight.w800),
+        ),
+        kVSpacer10,
+        Text(
+          'Request not made yet',
+          textAlign: TextAlign.center,
+          style: TextStyle(
+            fontSize: 14,
+            color: Theme.of(context).colorScheme.onSurfaceVariant,
+          ),
+        ),
+        Text(
+          "Why not go ahead and make one?",
+          textAlign: TextAlign.center,
+          style: TextStyle(fontSize: 16, fontWeight: FontWeight.w200),
+        ),
+      ],
+    );
+  }
+}

packages/dashbot/lib/core/model/dashbot_window_model.dart

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+class DashbotWindowModel {
+  final double width;
+  final double height;
+  final double right;
+  final double bottom;
+  final bool isActive;
+
+  const DashbotWindowModel({
+    this.width = 350,
+    this.height = 450,
+    this.right = 50,
+    this.bottom = 100,
+    this.isActive = false,
+  });
+
+  DashbotWindowModel copyWith({
+    double? width,
+    double? height,
+    double? right,
+    double? bottom,
+    bool? isActive,
+  }) {
+    return DashbotWindowModel(
+      width: width ?? this.width,
+      height: height ?? this.height,
+      right: right ?? this.right,
+      bottom: bottom ?? this.bottom,
+      isActive: isActive ?? this.isActive,
+    );
+  }
+}

packages/dashbot/lib/core/providers/dashbot_window_notifier.dart

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+import '../model/dashbot_window_model.dart';
+import 'package:flutter/material.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'dashbot_window_notifier.g.dart';
+
+@Riverpod(keepAlive: true)
+class DashbotWindowNotifier extends _$DashbotWindowNotifier {
+  @override
+  DashbotWindowModel build() {
+    return const DashbotWindowModel();
+  }
+
+  void updatePosition(double dx, double dy, Size screenSize) {
+    state = state.copyWith(
+      right: (state.right - dx).clamp(0, screenSize.width - state.width),
+      bottom: (state.bottom - dy).clamp(0, screenSize.height - state.height),
+    );
+  }
+
+  void updateSize(double dx, double dy, Size screenSize) {
+    final newWidth =
+        (state.width - dx).clamp(300, screenSize.width - state.right);
+    final newHeight =
+        (state.height - dy).clamp(350, screenSize.height - state.bottom);
+
+    state = state.copyWith(
+      width: newWidth.toDouble(),
+      height: newHeight.toDouble(),
+    );
+  }
+
+  void toggleActive() {
+    state = state.copyWith(isActive: !state.isActive);
+  }
+}

packages/dashbot/lib/core/providers/dashbot_window_notifier.g.dart

@@ -0,0 +1,27 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'dashbot_window_notifier.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$dashbotWindowNotifierHash() =>
+    r'239915bec100bc33e5533291ff10233ea197d556';
+
+/// See also [DashbotWindowNotifier].
+@ProviderFor(DashbotWindowNotifier)
+final dashbotWindowNotifierProvider =
+    NotifierProvider<DashbotWindowNotifier, DashbotWindowModel>.internal(
+  DashbotWindowNotifier.new,
+  name: r'dashbotWindowNotifierProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$dashbotWindowNotifierHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$DashbotWindowNotifier = Notifier<DashbotWindowModel>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

packages/dashbot/lib/core/routes/dashbot_router.dart

@@ -0,0 +1,31 @@
+import 'dashbot_routes.dart';
+import '../common/pages/dashbot_default_page.dart';
+import '../../features/home/view/pages/home_page.dart';
+import 'package:flutter/material.dart';
+
+Route<dynamic>? generateRoute(
+  RouteSettings settings,
+) {
+  switch (settings.name) {
+    case (DashbotRoutes.dashbotHome):
+      return MaterialPageRoute(
+        builder: (context) => DashbotHomePage(),
+      );
+    case (DashbotRoutes.dashbotDefault):
+      return MaterialPageRoute(
+        builder: (context) => DashbotDefaultPage(),
+      );
+    // case (DashbotRoutes.dashbotChat):
+    //   final args = settings.arguments as Map<String, dynamic>?;
+    //   final initialPrompt = args?['initialPrompt'] as String;
+    //   return MaterialPageRoute(
+    //     builder: (context) => ChatScreen(
+    //       initialPrompt: initialPrompt,
+    //     ),
+    //   );
+    default:
+      return MaterialPageRoute(
+        builder: (context) => DashbotDefaultPage(),
+      );
+  }
+}

packages/dashbot/lib/core/routes/dashbot_routes.dart

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+class DashbotRoutes {
+  static const String dashbotHome = '/dashbothome';
+  static const String dashbotDefault = '/dashbotdefault';
+  static const String dashbotChat = '/dashbotchat';
+  static const String dashbotUnknown = '/dashbotunknown';
+}

packages/dashbot/lib/core/utils/dashbot_icons.dart

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+import 'package:flutter/widgets.dart';
+
+class DashbotIcons {
+  DashbotIcons._();
+  static String get dashbotIcon1 =>
+      'packages/dashbot/assets/dashbot_icon_1.png';
+  static String get dashbotIcon2 =>
+      'packages/dashbot/assets/dashbot_icon_2.png';
+
+  static Image getDashbotIcon1({double? width, double? height, BoxFit? fit}) {
+    return Image.asset(dashbotIcon1, width: width, height: height, fit: fit);
+  }
+
+  static Image getDashbotIcon2({double? width, double? height, BoxFit? fit}) {
+    return Image.asset(dashbotIcon2, width: width, height: height, fit: fit);
+  }
+}

packages/dashbot/lib/core/utils/show_dashbot.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import '../../dashbot_dashboard.dart';
+import '../providers/dashbot_window_notifier.dart';
+
+void showDashbotWindow(BuildContext context, WidgetRef ref) {
+  final isDashbotActive = ref.read(dashbotWindowNotifierProvider).isActive;
+  final windowNotifier = ref.read(dashbotWindowNotifierProvider.notifier);
+  if (isDashbotActive) return;
+  final overlay = Overlay.of(context);
+  OverlayEntry? entry;
+
+  entry = OverlayEntry(
+    builder:
+        (context) => DashbotWindow(
+          onClose: () {
+            entry?.remove();
+            windowNotifier.toggleActive();
+          },
+        ),
+  );
+  windowNotifier.toggleActive();
+  overlay.insert(entry);
+}

packages/dashbot/lib/core/utils/utils.dart

@@ -0,0 +1,2 @@
+export 'show_dashbot.dart';
+export 'dashbot_icons.dart';