message: Extension scripts: fix copy & zip
diff: "clean:mainnet": "rimraf ./build-mainnet",
  "clean:mainnet-widget": "rimraf ./build-mainnet-widget",
  "clean:chrome-extension": "rimraf ./build-chrome-extension",
  - "copy:chrome-extension": "copy ./src/front/chrome-extension ./build-chrome-extension",
  - "zip:chrome-extension-testnet": "cd build-chrome-extension/ && zip zipped-chrome-extension-testnet.zip ./* && cd - && echo 'Zipped!'",
  - "zip:chrome-extension-mainnet": "cd build-chrome-extension/ && zip zipped-chrome-extension-mainnet.zip ./* && cd - && echo 'Zipped!'",
  + "copy:chrome-extension": "cp -r ./src/front/chrome-extension/* ./build-chrome-extension",
  + "zip:chrome-extension-testnet": "cd build-chrome-extension/ && zip -r zipped-chrome-extension-testnet.zip ./* && cd - && echo 'Zipped!'",
  + "zip:chrome-extension-mainnet": "cd build-chrome-extension/ && zip -r zipped-chrome-extension-mainnet.zip ./* && cd - && echo 'Zipped!'",
  "build:pages": "npm run clean:pages && cross-env DEBUG=app:*,swap.core:* CONFIG=mainnet.pages.prod node ./src/front/bin/compile",
  "build:testnet": "npm run clean:testnet && cross-env DEBUG=app:* CONFIG=testnet.prod node --max-old-space-size=2048 ./src/front/bin/compile",
  "build:testnet-widget": "npm run clean:testnet-widget && cross-env DEBUG=app:* CONFIG=testnet.widget.prod node --max-old-space-size=2048 ./src/front/bin/compile",
  "chalk": "^4.1.0",
  "colors": "^1.4.0",
  "connect-history-api-fallback": "^1.6.0",
  - "copy": "^0.3.2",
  "copy-webpack-plugin": "^8.1.1",
  "core-js": "^3.8.2",
  "css-loader": "^5.0.1",
  