Update dependencies and improve build system

.stylelintrc.js

@@ -0,0 +1,15 @@
+module.exports = {
+  extends: 'stylelint-config-standard',
+  plugins: ['stylelint-scss', 'stylelint-order'],
+  ignoreFiles: ['node_modules/**', 'src/assets/font/**', 'src/assets/style/reset.css'],
+  rules: {
+    'at-rule-no-unknown': [
+      true,
+      {
+        ignoreAtRules: ['extends', 'ignores', 'include', 'mixin', 'if', 'else', 'media', 'for'],
+      },
+    ],
+    'order/order': ['custom-properties', 'declarations'],
+    'order/properties-order': ['width', 'height'],
+  },
+}