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/modules/gitea/variables.tf

@@ -0,0 +1,79 @@
+variable "persistent_folder" {
+  description = "The path to the persistent folder"
+  type        = string
+}
+
+variable "database_folder" {
+  description = "The path to the database folder"
+  type        = string
+}
+
+variable "backup_folder" {
+  description = "The path to the backup folder"
+  type        = string
+}
+
+variable "backup_retention_days" {
+  description = "The number of days to retain backups"
+  type        = number
+}
+
+variable "backup_cron_schedule" {
+  description = "The cron schedule for backups"
+  type        = string
+}
+
+variable "db_password" {
+  description = "The password for the Gitea MySQL database"
+  type        = string
+  sensitive   = true
+}
+
+variable "db_root_password" {
+  description = "The root password for the MySQL database"
+  type        = string
+  sensitive   = true
+}
+
+variable "tag" {
+  description = "The version of the websites to install"
+  type        = string
+  default     = "1.23.4"
+}
+
+variable "fqdn" {
+  description = "The fully qualified domain name for the Rustdesk server"
+  type        = string
+}
+
+variable "app_name" {
+  description = "The name of the application"
+  type        = string
+}
+
+variable "relay_smtp_host" {
+  description = "The SMTP relay host"
+  type        = string
+}
+
+variable "relay_smtp_port" {
+  description = "The SMTP relay port"
+  type        = number
+}
+
+variable "relay_smtp_username" {
+  description = "The SMTP relay username"
+  type        = string
+  sensitive   = true
+}
+
+variable "relay_smtp_password" {
+  description = "The SMTP relay password"
+  type        = string
+  sensitive   = true
+}
+
+variable "from_email" {
+  description = "The email address to use as the sender"
+  type        = string
+}