Added Prettier&Linter

stylelint.config.mjs

@@ -0,0 +1,13 @@
+const stylelintConfig = {
+  extends: [
+    'stylelint-config-standard',
+    'stylelint-config-clean-order',
+    'stylelint-config-html',
+  ],
+  rules: {
+    'declaration-block-no-redundant-longhand-properties': null,
+    'no-descemdomg-specificity': null,
+    'selector-class-pattern': null,
+  },
+  'at-rule-no-unknown': [true],
+};