Dart libraries to review for additional features

[goodtune]

Investigate these libraries:

• connectivity_plus - Flutter plugin for discovering the state of the network (WiFi & mobile/cellular) connectivity on Android and iOS.
• bloc and flutter_bloc - BLoC is a software pattern, particularly in Flutter mobile development, that separates the user interface (UI) from the core business logic and application state, improving code organization, testability, and maintainability.
• device_info_plus - Flutter plugin providing detailed information about the device (make, model, etc.), and Android or iOS version the app is running on.
• geolocator - Geolocation plugin for Flutter.
• flex_color_scheme - package to use and make beautiful Material design based themes.
• shared_preferences - plugin for reading and writing simple key-value pairs. Wraps NSUserDefaults on iOS and SharedPreferences on Android.
• riverpod - A reactive caching and data-binding framework. Riverpod makes working with asynchronous code a breeze.
• flutter_local_notifications - cross platform plugin for displaying and scheduling local notifications for Flutter applications with the ability to customise for each platform.
• beamer - routing package built on top of Router and Navigator's pages API, supporting arbitrary nested navigation, guards and more.
• calendar_view - package allows you to easily implement all calendar UI and calendar event functionality.
• infinite_calendar_view - package allows you to easily implement all calendar UI.
• flutter_draggable_gridview - package helps you to add drag & drop functionality to existing Gridview.builder.
• trina_grid - TrinaGrid is a powerful data grid for Flutter that provides a wide range of features for displaying, editing, and managing tabular data. It works seamlessly on all platforms including web, desktop, and mobile.