Feature proposal: Allow to configure Datadog Operator installation namespace

[EugeneTseitlin]

Describe what happened:
I'd like to install Datadog Operator using Helm chart. Also I'd like to install it to a specific namespace instead of a default one.

Describe what you expected:

Steps to reproduce the issue:

Additional environment details (Operating System, Cloud provider, etc):

[fanny-jiang]

Hi @EugeneTseitlin, you can specify the installation namespace with the helm install command. I.e. helm install <RELEASE_NAME> datadog/datadog-operator -f values.yaml --namespace <NAMESPACE>.