add release script

Author: dolymood

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-simple-uploader",
-  "version": "1.0.0-beta.3",
+  "version": "1.0.0-beta.4",
   "description": "A Vue.js upload component powered by simple-uploader.js",
   "main": "dist/vue-simple-uploader.umd.js",
   "module": "dist/vue-simple-uploader.es.js",
@@ -15,7 +15,8 @@
   "scripts": {
     "dev": "vite --force",
     "build": "vite build",
-    "lint": "eslint --ext .js,.vue src test/unit/specs"
+    "lint": "eslint --ext .js,.vue src test/unit/specs",
+    "release": "npm run build && npm publish --tag next"
   },
   "dependencies": {
     "simple-uploader.js": "^0.6.0"