Add Loki and Monitoring Support in EKS Module
- Introduced support for Loki by adding an IRSA role and IAM policy for S3 access in the comet_eks module.
- Added variables for enabling Loki and configuring the S3 bucket for Loki logs.
- Implemented monitoring setup with a dedicated namespace and Grafana credentials management.
- Updated outputs to include ARNs and names for the new Loki resources.
- Enhanced the comet_s3 module to create an S3 bucket for Loki logs based on configuration settings.