init frontend

excalidraw/.lintstagedrc.js

@@ -0,0 +1,14 @@
+const { CLIEngine } = require("eslint");
+
+// see https://github.com/okonet/lint-staged#how-can-i-ignore-files-from-eslintignore-
+// for explanation
+const cli = new CLIEngine({});
+
+module.exports = {
+  "*.{js,ts,tsx}": files => {
+    return (
+      "eslint --max-warnings=0 --fix " + files.filter(file => !cli.isPathIgnored(file)).join(" ")
+    );
+  },
+  "*.{css,scss,json,md,html,yml}": ["prettier --write"],
+};