[Feature] Support repetition early stop (#3024)

* support repetition early stop and support user to set the parameter

* remove log

* fix codestyle

* add the early_stop_config to rollout_config

* update config and EarlyStopper class

* fix the bug for triton

* modify the stop method

* update description

* modify the usage for stop_flags

---------

Co-authored-by: Yuanle Liu <yuanlehome@163.com>

fastdeploy/rl/rollout_config.py

@@ -57,6 +57,7 @@ class RolloutModelConfig:
         disable_any_whitespace: bool = True,
         enable_logprob: bool = False,
         graph_optimization_config: str = None,
+        early_stop_config: str = None,
         local_rank: int = 0,
     ):
         # Required parameters
@@ -100,6 +101,7 @@ class RolloutModelConfig:
         self.enable_logprob = enable_logprob
         self.graph_optimization_config = graph_optimization_config
         self.local_rank = local_rank
+        self.early_stop_config = early_stop_config
 
     def __str__(self):
         return "\n".join(f"{k}: {v}" for k, v in self.__dict__.items())