feat(mail): enhance mail configuration with getmail and dovecot settings

- Added getmail configuration generation using template files.
- Introduced postfix and dovecot configuration checksums for deployment.
- Created new dovecot configuration file and sieve script for email handling.
- Updated main.tf to utilize local variables for configuration management.
- Removed redundant external password hasher from main.tf.

feat(nginx): improve nginx configuration management

- Centralized nginx configuration into a local variable with checksum.
- Created separate config maps for default website configurations.
- Updated deployment to utilize new configuration structure.

feat(sftpgo): add SFTPGo application deployment

- Introduced SFTPGo with Kubernetes resources including namespace, config maps, and secrets.
- Configured SFTPGo with SMTP settings and AWS credentials.
- Implemented health checks and volume mounts for persistent storage.

refactor(seafile): remove Seafile module

- Deleted Seafile module and associated resources as part of cleanup.

terraform/cloudns-iac/config.tf

@@ -170,6 +170,11 @@ locals {
         type  = "TXT"
         value = "v=DKIM1; h=sha256; k=rsa; p=${var.alexpires_me_scaleway_dkim_value}"
       },
+      {
+        name  = "webdav"
+        type  = "CNAME"
+        value = "${local.vps_1.name}.alexpires.me"
+      },
     ]
   }