feat: dynamic cpu and memory vars

variables.tf

@@ -81,4 +81,16 @@ variable "tags" {
 variable "ecs_task_execution_role_name" {
   type    = string
   default = "aws-ecs-github-runner-task-execution-role"
-}
+}
+
+variable "cpu" {
+  type        = number
+  description = "Number of CPUs for each runner"
+  default     = 1
+}
+
+variable "memory" {
+  type        = number
+  description = "Memory in GB for each runner"
+  default     = 1
+}