What is the purpose of the pubspec.yaml file in a…

pubspec.yaml is a configuration file used in Flutter projects to manage dependencies, project metadata, and other key parameters.

Main functions:

Dependency management: Includes defining third-party packages and plugins needed for the project.

dependencies:
  flutter:
    sdk: flutter
  cupertino_icons: ^1.0.2
  http: ^0.13.3 # Example of a third-party dependency

dev_dependencies:
  flutter_test:
    sdk: flutter

Specifying Flutter SDK version: Indicates the minimum and maximum supported Flutter versions.
```
environment:
  sdk: ">=2.12.0 <3.0.0"
```

Asset configuration: Allows including images, fonts, and other resources in the app build.

flutter:
  uses-material-design: true
  assets:
    - assets/images/logo.png
    - assets/data/config.json
  fonts:
    - family: Roboto
      fonts:
        - asset: assets/fonts/Roboto-Regular.ttf
        - asset: assets/fonts/Roboto-Italic.ttf
          style: italic

Project metadata: Contains information about the project such as name, description, and version.

name: my_flutter_app
description: A new Flutter project.
publish_to: 'none' # Remove this line if you wish to publish to pub.dev
version: 1.0.0+1

Development dependencies (dev_dependencies): Lists packages used only during development, such as for testing.

A table with some key fields:

Field	Description
`name`	Project name.
`description`	Brief description of the project.
`version`	Project version.
`environment`	Supported Flutter SDK versions.
`dependencies`	List of third-party packages and plugins.
`dev_dependencies`	List of packages used only for development.
`flutter`	Section for Flutter-related settings, such as assets.

What is the purpose of the pubspec.yaml file in a Flutter project?