Rearrange Command Classes into Folders and Update Namespace Structure

[alissn]

Hi,

This PR should be merged after #1758.

In this pull request, I've organized the command classes into folders and updated the namespace structure. The new
The changes can be viewed in detail here.
structure is as follows:

src/Commands
├── Actions
│   ├── CheckLangCommand.php
│   ├── DisableCommand.php
│   ├── DumpCommand.php
│   ├── EnableCommand.php
│   ├── InstallCommand.php
│   ├── ListCommand.php
│   ├── ModelPruneCommand.php
│   ├── ModelShowCommand.php
│   ├── ModuleDeleteCommand.php
│   ├── UnUseCommand.php
│   ├── UpdateCommand.php
│   └── UseCommand.php
├── Database
│   ├── MigrateCommand.php
│   ├── MigrateRefreshCommand.php
│   ├── MigrateResetCommand.php
│   ├── MigrateRollbackCommand.php
│   ├── MigrateStatusCommand.php
│   └── SeedCommand.php
├── Make
│   ├── ChannelMakeCommand.php
│   ├── CommandMakeCommand.php
│   ├── ComponentClassMakeCommand.php
│   ├── ComponentViewMakeCommand.php
│   ├── ControllerMakeCommand.php
│   ├── EventMakeCommand.php
│   ├── FactoryMakeCommand.php
│   ├── GeneratorCommand.php
│   ├── JobMakeCommand.php
│   ├── ListenerMakeCommand.php
│   ├── MailMakeCommand.php
│   ├── MiddlewareMakeCommand.php
│   ├── MigrationMakeCommand.php
│   ├── ModelMakeCommand.php
│   ├── ModuleMakeCommand.php
│   ├── NotificationMakeCommand.php
│   ├── ObserverMakeCommand.php
│   ├── PolicyMakeCommand.php
│   ├── ProviderMakeCommand.php
│   ├── RequestMakeCommand.php
│   ├── ResourceMakeCommand.php
│   ├── RouteProviderMakeCommand.php
│   ├── RuleMakeCommand.php
│   ├── SeedMakeCommand.php
│   └── TestMakeCommand.php
├── Publish
│   ├── PublishCommand.php
│   ├── PublishConfigurationCommand.php
│   ├── PublishMigrationCommand.php
│   └── PublishTranslationCommand.php
├── BaseCommand.php
├── ComposerUpdateCommand.php
├── LaravelModulesV6Migrator.php
├── MigrateFreshCommand.php
└── SetupCommand.php