Refactor database path variables in Ansible and Terraform playbooks; add local database folder variable

terraform/k8sapps/modules/scw_backup_job/variables.tf

@@ -37,11 +37,6 @@ variable "cron_schedule" {
   type        = string
 }
 
-variable "host_storage_path" {
-  description = "Host path"
-  type        = string
-}
-
 variable "access_key" {
   description = "Access key"
   sensitive   = true
@@ -59,12 +54,12 @@ variable "app_name" {
   type        = string
 }
 
-variable "app_files_folder" {
+variable "source_folder" {
   description = "Name of host folder"
   type        = string
 }
 
-variable "app_backup_folder" {
+variable "target_folder" {
   description = "Backup source location"
   type        = string
 }