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/mail/variables.tf

@@ -0,0 +1,82 @@
+variable "persistent_folder" {
+  description = "The path to the persistent folder"
+  type        = string
+}
+
+variable "primary_domain" {
+  description = "The primary domain for the websites"
+  type        = string
+}
+
+variable "email_accounts" {
+  description = "List of email accounts to be created"
+  type = list(object({
+    recipient    = string
+    domain       = string
+    username     = string
+    password     = string
+    delete_after = optional(number)
+    mailboxes    = list(string)
+    receive = object({
+      server = string
+      port   = number
+    })
+  }))
+}
+
+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 "fetch_emails_schedule" {
+  description = "The cron schedule for fetching emails"
+  type        = string
+}
+
+variable "getmail_tag" {
+  description = "The version of getmail to install"
+  type        = string
+  default     = "v0.0.1-6.19.07"
+}
+
+variable "postfix_tag" {
+  description = "The version of postfix to install"
+  type        = string
+  default     = "alpine-316"
+}
+
+variable "dovecot_tag" {
+  description = "The version of dovecot to install"
+  type        = string
+  default     = "latest"
+}
+
+variable "mail_crypt_private_key" {
+  description = "The private key for mail encryption"
+  type        = string
+  sensitive   = true
+}
+
+variable "mail_crypt_public_key" {
+  description = "The public key for mail encryption"
+  type        = string
+  sensitive   = true
+}