update zip script

Author: yyx990803

dist/.gitkeep

@@ -8,8 +8,9 @@
     "dev:chrome": "cd shells/chrome && webpack --watch --hide-modules",
     "lint": "eslint src --ext=js,vue && eslint shells/chrome/src && eslint shells/dev/src",
     "build": "cd shells/chrome && cross-env NODE_ENV=production webpack --progress --hide-modules",
-    "zip": "rm -f chrome.zip && cd shells && zip -r ../chrome.zip chrome -x *src/* -x *webpack.config.js",
-    "release": "npm run test && npm run build && npm run zip",
+    "zip:chrome": "zip -r -FS dist/chrome.zip shells/chrome -x *src/* -x *webpack.config.js",
+    "zip:firefox": "web-ext build -s shells/chrome -a dist -i src",
+    "release": "npm run test && npm run build && npm run zip:chrome && npm run zip:firefox",
     "test": "npm run lint && bash test/test.sh"
   },
   "repository": {