update __init__

Added 
- Tasks 
- max_workers

swarms/structs/concurrent_workflow.py

@@ -112,6 +112,7 @@ class ConcurrentWorkflow(BaseSwarm):
         return_str_on: bool = False,
         agent_responses: list = [],
         auto_generate_prompts: bool = False,
+        max_workers: int = None,
         *args,
         **kwargs,
     ):
@@ -132,9 +133,12 @@ class ConcurrentWorkflow(BaseSwarm):
         self.return_str_on = return_str_on
         self.agent_responses = agent_responses
         self.auto_generate_prompts = auto_generate_prompts
+        self.max_workers = max_workers or os.cpu_count()
+        self.tasks = []  # Initialize tasks list
 
         self.reliability_check()
 
+
     def reliability_check(self):
         try:
             logger.info("Starting reliability checks")