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/apps/dev-01/secrets.tf

@@ -1 +1,17 @@
+variable "nextcloud_db_passwd" {
+  description = "Password for the Nextcloud database"
+  type        = string
+  sensitive   = true
+}
 
+variable "nextcloud_db_root_password" {
+  description = "Root password for the Nextcloud database"
+  type        = string
+  sensitive   = true
+}
+
+variable "nextcloud_admin_password" {
+  description = "Password for the Nextcloud admin user"
+  type        = string
+  sensitive   = true
+}