reporeformat V2 (#23)

* reformat factor implement process

* move some code to more reasonable place

* fix the bug

* add test function in factor_extract_and_implement.py

* change select factor number to ratio , add some factor implement setting and fix some bug while using knowledgebase

* change evoagent

* add abstract class EvoAgent

* add benchmark workflow

* fix some bug in llm_utils

* run wenjun's code

* fix the knowledgebase instance check

---------

Co-authored-by: xuyang1 <xuyang1@microsoft.com>

rdagent/core/task.py

@@ -0,0 +1,28 @@
+from abc import ABC, abstractmethod
+from typing import Tuple
+import pandas as pd
+
+'''
+This file contains the all the data class for rdagent task.
+'''
+class BaseTask(ABC):
+    # 把name放在这里作为主键
+    pass
+
+class TaskImplementation(ABC):
+    def __init__(self, target_task: BaseTask) -> None:
+        self.target_task = target_task
+
+    @abstractmethod
+    def execute(self, *args, **kwargs) -> Tuple[str, pd.DataFrame]:
+        raise NotImplementedError("__call__ method is not implemented.")
+
+class TestCase:
+    def __init__(
+        self,
+        target_task: BaseTask,
+        ground_truth: TaskImplementation,
+    ):
+        self.ground_truth = ground_truth
+        self.target_task = target_task
+