Update CI

Author: shayneo

.circleci/config.yml

@@ -4,4 +4,6 @@ jobs:
       - image: cimg/node:16.11.1
     steps:
       - checkout
-      - run: node --version
+      - run:
+          name: lint!
+          command: yarn lint

package.json

@@ -9,6 +9,8 @@
   "scripts": {
     "build": "yarn workspace vue-fuse build",
     "demo": "yarn workspace demo dev",
+    "build:demo": "yarn workspace demo build",
+    "lint": "eslint --fix .",
     "sync": "syncpack fix-mismatches && syncpack format"
   },
   "devDependencies": {