Feature support cloud services

[Lissy93]

Please check the type of change your PR introduces:

• Bugfix
• Build related changes
• Documentation content changes

Issue Number (if applicable): N/A

Briefly outline your changes:

• Fix an issue with the port not being correctly assigned to system environmental variable, due to misplaced bracket
• Added support for 1-Click deployment to Heroku, Netlify and PWD

Before submitting, please ensure that:

• Must be backwards compatible
• All lint checks and tests must pass
• If a new option in the the config file is added, it needs to be added into the schema, and documented in the configuring guide
• If a new dependency is required, it must be essential, and it must be thoroughly checked out for security or efficiency issues

[netlify]

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