chore: lerna init

lerna.json

+{
+  "packages": [
+    "packages/*"
+  ],
+  "version": "0.0.0"
+}

package.json

@@ -64,6 +64,7 @@
     "eslint": "^7.17.0",
     "fs-extra": "^9.0.1",
     "jest": "^26.6.3",
+    "lerna": "^4.0.0",
     "lint-staged": "^10.5.3",
     "mini-types": "^0.1.4",
     "miniprogram-api-typings": "^3.2.0",
@@ -82,5 +83,6 @@
     "vite": "^2.3.3",
     "vue": "^3.1.0-beta.3",
     "yorkie": "^2.0.0"
-  }
+  },
+  "name": "uni-app-next"
 }