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/config.tf

@@ -0,0 +1,43 @@
+
+locals {
+  gitea_env_vars = {
+    APP_NAME                 = var.app_name
+    HTTP_PORT                = "3000"
+    RUN_MODE                 = "prod"
+    LFS_START_SERVER         = "true"
+    SSH_DOMAIN               = var.fqdn
+    DISABLE_REGISTRATION     = true
+    INSTALL_LOCK             = "true"
+    DB_TYPE                  = "mysql"
+    DB_NAME                  = "gitea"
+    DB_HOST                  = module.gitea_database.host
+    SSH_LISTEN_PORT          = 22
+    GITEA__mailer__ENABLED   = true
+    GITEA__mailer__FROM      = var.from_email
+    GITEA__mailer__SMTP_ADDR = var.relay_smtp_host
+    GITEA__mailer__SMTP_PORT = var.relay_smtp_port
+    GITEA__mailer__PROTOCOL  = "smtps"
+  }
+
+  gitea_secrets = {
+    DB_USER = {
+      key  = "username"
+      name = module.gitea_database.app_crendentials_name
+    }
+    DB_PASSWD = {
+      key  = "password"
+      name = module.gitea_database.app_crendentials_name
+    }
+    GITEA__mailer__USER = {
+      key  = "username"
+      name = kubernetes_secret.gitea_mail_credentials.metadata[0].name
+    }
+    GITEA__mailer__PASSWD = {
+      key  = "password"
+      name = kubernetes_secret.gitea_mail_credentials.metadata[0].name
+    }
+  }
+
+  gitea_path    = "${var.persistent_folder}/gitea"
+  gitea_db_path = "${var.database_folder}/mysql.gitea"
+}