feat(cert-checker): add Kubernetes resources for certificate checking functionality

- Implemented a new module for cert-checker with Kubernetes resources including ServiceAccount, Role, RoleBinding, ConfigMap, and CronJob.
- Added Python script to check certificate expiry and restart deployments if necessary.
- Configured environment variables for deployment name, namespace, and service details.
- Included requirements for the Python environment.

feat(devolo-exporter): introduce Devolo exporter for Prometheus metrics

- Created a new module for Devolo exporter with Kubernetes resources including ServiceAccount, ConfigMap, Deployment, and Service.
- Developed Python scripts to scrape metrics from Devolo devices and expose them to Prometheus.
- Configured environment variables for Devolo device IP, model, and ports.
- Added requirements for the Python environment.

terraform/apps/dev-01/exporters.tf

@@ -0,0 +1,25 @@
+module "node_exporter" {
+  source = "../../modules/utils/node-exporter"
+}
+
+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
+}
+
+module "devolo_exporter" {
+  for_each     = local.devolo_devices
+  source       = "../../modules/utils/devolo-expporter"
+  devolo_ip    = each.value.ip
+  devolo_model = each.value.model
+}
+