Add Spectre.css as a CSS Framework option during install

src/Commands/Install.php

@@ -150,7 +150,7 @@ protected function shouldInstallCssFramework( InputInterface $input, OutputInter
 
 		$question = new ChoiceQuestion(
 			'Please select a CSS framework:',
-			['None', 'Normalize.css', 'Bootstrap', 'Bulma', 'Foundation', 'Tachyons', 'Tailwind CSS'],
+			['None', 'Normalize.css', 'Bootstrap', 'Bulma', 'Foundation', 'Tachyons', 'Tailwind CSS', 'Spectre.css'],
 			0
 		);
 

src/Commands/InstallCssFramework.php

@@ -11,6 +11,7 @@
 use WPEmerge\Cli\Presets\Bulma;
 use WPEmerge\Cli\Presets\Foundation;
 use WPEmerge\Cli\Presets\NormalizeCss;
+use WPEmerge\Cli\Presets\Spectre;
 use WPEmerge\Cli\Presets\Tachyons;
 use WPEmerge\Cli\Presets\TailwindCss;
 
@@ -63,6 +64,10 @@ protected function execute( InputInterface $input, OutputInterface $output ) {
 				$preset = new TailwindCss();
 				break;
 
+			case 'Spectre.css':
+				$preset = new Spectre();
+				break;
+
 			default:
 				throw new RuntimeException( 'Unknown css framework selected: ' . $css_framework );
 				break;

src/Presets/Spectre.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace WPEmerge\Cli\Presets;
+
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Spectre implements PresetInterface {
+	use FrontEndPresetTrait;
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public function getName() {
+		return 'Spectre.css';
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public function execute( $directory, OutputInterface $output ) {
+		$this->installNodePackage( $directory, $output, 'spectre.css', '^0.5.7' );
+
+		$this->copy([
+			$this->path( WPEMERGE_CLI_DIR, 'src', 'Spectre', 'spectre.js' )
+			=> $this->path( $directory, 'resources', 'scripts', 'theme', 'vendor', 'spectre.js' ),
+		]);
+	}
+}

src/Spectre/spectre.js

@@ -0,0 +1,4 @@
+/* ------------------------------------------------------------ *\
+    This is an automatically generated file - do not edit.
+\* ------------------------------------------------------------ */
+import 'spectre.css/dist/spectre.min.css';