Add lint staged (#116)

* Add lint staged

* Fix linting errors

* Fix prettier errors

Author: luantr

.eslintrc.json

@@ -1,4 +1,13 @@
 {
-  "plugins": ["@typescript-eslint"],
-  "extends": ["plugin:@typescript-eslint/recommended", "next/core-web-vitals", "prettier"]
+  "plugins": ["@typescript-eslint", "prettier"],
+  "extends": [
+    "plugin:@typescript-eslint/recommended",
+    "next/core-web-vitals",
+    "plugin:prettier/recommended"
+  ],
+  "rules": {
+    "prettier/prettier": "error",
+    "arrow-body-style": "off",
+    "prefer-arrow-callback": "off"
+  }
 }

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+. "$(dirname -- "$0")/_/husky.sh"
+
+npx lint-staged

.lintstagedrc.json

@@ -0,0 +1,4 @@
+{
+  "*.{md,html,css,json}": "prettier --write",
+  "*.{ts,tsx}": "eslint --fix --max-warnings=0"
+}