feat(plugins): uninstall plugins via CLI and admin UI

app/Config/Autoload.php

app/Config/Constants.php

app/Resources/styles/custom.css

app/Views/Components/Button.php

app/Views/Components/DropdownMenu.php

modules/Plugins/Commands/UninstallPlugin.php

modules/Plugins/Config/Routes.php

modules/Plugins/Controllers/PluginController.php

modules/Plugins/Language/en/Plugins.php

modules/Plugins/Plugins.php

themes/cp_admin/plugins/_plugin.php