Simplify init logic

[nikDemyankov]

Need to simplify the cordova-hcp init command. People sometimes struggling with the way on how to provide content_url on the build process.

[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.