Add dashboard UID auto-generation and Gitea dev workflow

environments/dev/adibrov/variables_dashboard_folder.tf

@@ -0,0 +1,19 @@
+variable "groups" {
+  description = "List of alert groups with their definitions and data sources"
+  type = list(object({
+    dashboard_alert_group_name  = string
+    folder_uid                  = string
+    alert_definitions_path      = optional(string, null)
+    dashboard_path_if_exist     = optional(string, null)
+    keep_manual_changes         = optional(bool, false)
+    prevent_destroy_on_recreate = optional(bool, false)
+    alerts_on_datasources_uid   = list(string)
+  }))
+}
+
+variable "dashboard_uid_max_length" {
+  description = "Maximum generated length of dashboard UID"
+  type        = number
+  default     = 40
+}
+