add eslint plugin unicorn

package.json

@@ -49,6 +49,7 @@
     "eslint-plugin-jsx-a11y": "^6.5.1",
     "eslint-plugin-react": "^7.27.1",
     "eslint-plugin-react-hooks": "^4.3.0",
+    "eslint-plugin-unicorn": "^39.0.0",
     "nanoid": "^3.1.30",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.5.1",
@@ -60,7 +61,8 @@
   "prettier": "@itsmapleleaf/configs/prettier",
   "eslintConfig": {
     "extends": [
-      "./node_modules/@itsmapleleaf/configs/eslint"
+      "./node_modules/@itsmapleleaf/configs/eslint",
+      "plugin:unicorn/recommended"
     ]
   },
   "ava": {