Add an option to gzip js files

[nikDemyankov]

As suggested in nordnet/cordova-hot-code-push#69 , it would be a nice option for the CLI client to gzip files before uploading them to the server. Especially, JS ones.

[seme1]

would be really nice if gzip option was added to the cli to automatically gzip content before uploading to S3

[seme1]

The following links may help for adding gzip support to the cli:
https://alyssaq.github.io/2015/deploy_gzip_site_s3/
https://github.com/pgherveou/gulp-awspublish

[nordnet-deprecation-bot]

👋 Hi! Thank you for your interest in this repo.

😢 We are not using nordnet/cordova-hot-code-push-cli anymore, and we lack the manpower and the experience needed to maintain it. We are aware of the inconveniece that this may cause you. Feel free to use it as is, or create your own fork.

🔒 This will now be closed & locked.

ℹ️ Please see #79 for more information.