Add common module managing common services and scripts (act_runner, create/restore backups)

Fix script environment variables
Add Fefan configuration
Fix gateway services file provisionning through ssh

variables.tf

@@ -16,14 +16,4 @@ variable "proxmox_endpoint" {
 variable "proxmox_host_ip" {
   description = "Proxmox ip for backup nfs share"
   type = string
-}
-
-variable "gateway_repository" {
-  description = "Gateway repository relative path (from this terraform repository), for traefik automatic config generation."
-  type = string
-}
-
-variable "gateway_token" {
-  description = "Gateway webhook token same in /module/apps/gateway/.env"
-  type = string
 }