support for command line environment variables

We use inso generate command to generate kong configuration from openapi specifications. To achieve multiple environment deployments using the same openapi yaml file, there is a need to have environment variables to be passed at command line. Example given below: my-orders.yaml openapi: 3.0.0 tags: • name: "orders.yml" info: title: "OrdersAPI" service name in kong version: "1.0" servers: - url: full path for backend (service) variables: HOSTNAME: default: localhost:8443 enum: - "QA-SERVER:8443" - "PROD-SERVER:8443" When I run "inso generate config orders.yml --type declarative > kong.yaml", it will generate corresponding kong configuration file for orders API as mentioned below: _format_version: "1.1" services: - name: OrdersAPI protocol: https host: localhost port: 8443 path: /api/v1.0/orders …