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/config.tf

@@ -14,10 +14,8 @@ locals {
     }
   }
 
-  gitea_version                    = "1.23.4"
-  gitea_fqdn                       = "code.${local.primary_domain}"
-  gitea_sql_backup_cron_schedule   = "20 2 * * *"
-  gitea_files_backup_cron_schedule = "30 2 * * *"
+  gitea_version = "1.23.4"
+  gitea_fqdn    = "code.${local.primary_domain}"
 
   nextcloud_version                    = "30.0.0-apache"
   nextcloud_fqdn                       = "cloud.${local.primary_domain}"
@@ -51,13 +49,17 @@ locals {
   rustdesk_fqdn    = "rustdesk.${local.primary_domain}"
 
   # backup
-  local_backup_retention_days = 2
-  cloud_backup_retention_days = 3
+  local_backup_retention_days      = 2
+  cloud_backup_retention_days      = 3
+  mail_backup_path                 = "${local.persistent_folder}/backup.mail"
+  gitea_backup_path                = "${local.persistent_folder}/backup.gitea"
+  gitea_sql_backup_cron_schedule   = "20 2 * * *"
+  gitea_files_backup_cron_schedule = "30 2 * * *"
+  mail_files_backup_cron_schedule  = "0 3 * * *"
 
   # mail settings
-  getmail_version                 = "v0.0.1-6.19.07"
-  fetch_emails_schedule           = "*/2 * * * *"
-  mail_files_backup_cron_schedule = "0 3 * * *"
+  getmail_version       = "v0.0.1-6.19.07"
+  fetch_emails_schedule = "*/2 * * * *"
 
   # email settings
   scaleway_smtp_host = "smtp.tem.scw.cloud"