Required indentation in externally configured deployment toml

[renuka-fernando]

Description: Two spaces in https://github.com/wso2/kubernetes-apim/blob/3cb0e1cce300dd3ce6e5530a8270b33b237bf796/simple/am-single/templates/am/instance/wso2am-single-node-am-conf.yaml#L24 should be removed

Otherwise the deployment toml file which is provided as external file should be in the following format.

First line without spaces, rest lines with two spaces

[server]
  hostname = "{{ .Values.wso2.deployment.am.ingress.management.hostname }}"
  #offset=0
  base_path = "${carbon.protocol}://${carbon.host}:${carbon.management.port}"

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[renuka-fernando]

This commit may fix the issue https://github.com/wso2/kubernetes-apim/commit/8fa1eb5ffee4554ec3bbfdfbc217a5fd9d677426 which is done to 4.1.0