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/modules/apps/samba/resources/samba.conf.tpl

@@ -0,0 +1,23 @@
+[global]
+        server string = samba
+        idmap config * : range = 3000-7999
+        security = user
+        server min protocol = SMB2
+
+        # disable printing services
+        load printers = no
+        printing = bsd
+        printcap name = /dev/null
+        disable spoolss = yes
+
+%{for share in shares ~}
+[${share.name}]
+        path = /host/${share.path}
+        comment = ${share.comment}
+        valid users = ${join(", ", share.valid_users)}
+        browseable = ${share.browseable}
+        writable = ${share.writable}
+        read only = ${share.read_only}
+        force user = ${share.force_user}
+        force group = ${share.force_group}
+%{endfor ~}