🚨 Add eslint and stylelint and format

frontend/stylelint.config.js

@@ -0,0 +1,9 @@
+module.exports = {
+  extends: ["stylelint-config-recommended", "stylelint-prettier/recommended", "stylelint-config-idiomatic-order"],
+  plugins: ["stylelint-order"],
+  rules: {
+    // Useful?
+    "no-descending-specificity": null,
+  },
+  ignoreFiles: ["**/*.md", "**/*.svg", "**/*.jpg", "**/*.graphql"],
+};