Add diff_pattern check to from_dict

Author: HenriqueAssumpcao

openevolve/config.py

@@ -452,6 +452,8 @@ def from_dict(cls, config_dict: Dict[str, Any]) -> "Config":
             config.evaluator = EvaluatorConfig(**config_dict["evaluator"])
         if "evolution_trace" in config_dict:
             config.evolution_trace = EvolutionTraceConfig(**config_dict["evolution_trace"])
+        if "diff_pattern" in config_dict:
+            config.diff_pattern = config_dict["diff_pattern"]
 
         return config