[Feature]: Configure Prometheus Integration via CR

[rwlove]

Checklist

• [X] I've searched for similar issues and couldn't find anything matching
• [X] I've discussed this feature request in the K8sGPT Slack and got positive feedback

Is this feature request related to a problem?

None

Problem Description

I'd like to be able to configure the Prometheus integration via the K8sGPT CR.

Solution Description

integrations:
  prometheus:
    namespace: <namespace>

Benefits

Feed Prometheus with results

Potential Drawbacks

none

Additional Information

No response

[VaibhavMalik4187]

@AlexsJones, this looks interesting, can I give this a try?