Add Nextcloud deployment and configuration

- Introduced Nextcloud module with Kubernetes resources including deployment, service, ingress, and cron job.
- Configured Apache settings for Nextcloud with SSL support and compression.
- Created secrets for mail and admin credentials.
- Added necessary environment variables for Nextcloud configuration.
- Removed unused Scaleway access and secret keys from secrets and variables.
- Updated CoreDNS module to support custom host overrides.
- Implemented backup bucket policies and lifecycle rules for Scaleway object storage.
- Enhanced IAM policies and applications for backup and email services.
- Added outputs for backup bucket and API keys.

terraform/iac/scaleway/outputs.tf

@@ -0,0 +1,34 @@
+output "backup_bucket_name" {
+  description = "The name of the backup bucket."
+  value       = scaleway_object_bucket.backup.name
+}
+
+output "backup_app_api_secret_key" {
+  description = "The secret key for the backup API."
+  value       = scaleway_iam_api_key.backup_app_api.secret_key
+  sensitive   = true
+}
+
+output "backup_app_api_access_key" {
+  description = "The access key for the backup API."
+  value       = scaleway_iam_api_key.backup_app_api.access_key
+  sensitive   = true
+}
+
+output "mail_app_api_secret_key" {
+  description = "The secret key for the mail app API."
+  value       = scaleway_iam_api_key.mail_app_api.secret_key
+  sensitive   = true
+}
+
+output "sftpgo_app_api_access_key" {
+  description = "The access key for the SFTPGo app API."
+  value       = scaleway_iam_api_key.sftpgo_app_api.access_key
+  sensitive   = true
+}
+
+output "sftpgo_app_api_secret_key" {
+  description = "The secret key for the SFTPGo app API."
+  value       = scaleway_iam_api_key.sftpgo_app_api.secret_key
+  sensitive   = true
+}