feat: add disk exporter module and related configurations

- Introduced a new disk exporter module to monitor disk health using SMART data.
- Updated `apps.tf` to include the disk exporter module with necessary parameters.
- Added local variables for smartctl version and checksum in `config.tf`.
- Enhanced `alertmanager.yml` to handle DiskUnhealthy alerts with specific grouping and dispatch settings.
- Created new Prometheus rules for monitoring disk health, including alerts for unhealthy disks.
- Updated Prometheus configuration to scrape metrics from the new disk exporter.
- Enhanced Telegram notification template to include resolved alerts and improved formatting.
- Updated the auth-exporter module to specify the Python image tag correctly.
- Created the disk-exporter module with Kubernetes resources, including deployment, service account, and config map.
- Added necessary Python scripts and requirements for the disk exporter functionality.

terraform/apps/dev-01/apps.tf

@@ -81,3 +81,12 @@ module "auth_exporter" {
   source            = "../../modules/utils/auth-exporter"
   persistent_folder = "${local.persistent_folder}/monitoring"
 }
+
+module "disk_exporter" {
+  source                  = "../../modules/utils/disk-exporter"
+  persistent_folder       = "${local.persistent_folder}/monitoring"
+  smartctl_static_version = local.smartctl_static_version
+  smartctl_sha256         = local.smartctl_sha256
+  check_frequency         = 600
+  standby_mode            = false
+}