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/prod-01/resources/alertmanager.yml

@@ -8,4 +8,8 @@ route:
     - receiver: "telegram"
       matchers:
         - 'alertname="UserLoggedIn"'
+      group_by: ["alertname", "username"] # add username to avoid batching different users
+      group_wait: 0s # immediate dispatch
+      group_interval: 2m # short regroup window
+      repeat_interval: 30m # optional: adjust reminder cadence
       continue: false