Fix critical CSS and paths to assets

Author: scriptex

critical.js

@@ -0,0 +1,9 @@
+const critical = require('critical');
+
+critical.generate({
+	src: 'index.html',
+	css: ['assets/dist/app.css'],
+	target: 'assets/dist/critical.css',
+	width: 1440,
+	height: 900
+});

package.json

@@ -7,7 +7,7 @@
 		"start": "webpack --watch --NODE_ENV=development",
 		"optisize": "optisize --src=\"./assets/images\"",
 		"html": "php index.php > index.html",
-		"critical": "critical index.html > assets/dist/critical.css",
+		"critical": "node critical.js",
 		"rm-html": "rm index.html",
 		"pwa": "create-pwa --icon=\"./assets/images/favicon/icon.png\" --launch=\"./assets/images/favicon/launch.png\"",
 		"prod": "yarn build && yarn html && yarn critical && yarn rm-html",