Add Gitea and Mail modules with configuration and resources

- Created Gitea module with outputs, provider, and variables for deployment.
- Implemented Mail module including configuration for Dovecot and Postfix, along with necessary resources such as secrets, config maps, and deployments.
- Added Python script for bcrypt password hashing and integrated it into the Mail module.
- Defined persistent volumes and claims for Seafile module, along with Nginx configuration for serving content.
- Established necessary variables for all modules to ensure flexibility and configurability.

terraform/k8sapps/nextcloud.tf

@@ -169,29 +169,6 @@ module "nextcloud_database" {
   backup_folder   = local.nextcloud_backup_path
 }
 
-#
-# Setup rsync backup job to scaleway bucket
-#
-module "nextcloud_backup" {
-
-  source = "../modules/scw_backup_job"
-
-  namespace = kubernetes_namespace.nextcloud.metadata[0].name
-  app_name  = "nextcloud"
-
-  scaleway_organization_id = var.scaleway_organization_id
-  scaleway_project_id      = var.scaleway_organization_id
-  access_key               = scaleway_iam_api_key.backup_app_api.access_key
-  secret_key               = scaleway_iam_api_key.backup_app_api.secret_key
-  bucket_name              = scaleway_object_bucket.backup.name
-
-  retention_days = local.local_backup_retention_days
-  cron_schedule  = local.nextcloud_files_backup_cron_schedule
-
-  source_folder = local.nextcloud_path
-  target_folder = local.nextcloud_backup_path
-}
-
 # 
 # Nextcloud service, ingress, deployment and file backup job
 #