refractor agents (#100)

* refractor agents

* minor cosmetic, add terminal ui for cli

* pump to 0.3.4

* Add temporary path

* fix unclose files in tests

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Co-authored-by: trducng <trungduc1992@gmail.com>

knowledgehub/agents/__init__.py

@@ -1,6 +1,25 @@
-from .base import AgentType, BaseAgent
-from .langchain import LangchainAgent
+from .base import BaseAgent
+from .io import AgentFinish, AgentOutput, AgentType, BaseScratchPad
+from .langchain_based import LangchainAgent
 from .react.agent import ReactAgent
 from .rewoo.agent import RewooAgent
+from .tools import BaseTool, ComponentTool, GoogleSearchTool, LLMTool, WikipediaTool
 
-__all__ = ["BaseAgent", "ReactAgent", "RewooAgent", "LangchainAgent", "AgentType"]
+__all__ = [
+    # agent
+    "BaseAgent",
+    "ReactAgent",
+    "RewooAgent",
+    "LangchainAgent",
+    # tool
+    "BaseTool",
+    "ComponentTool",
+    "GoogleSearchTool",
+    "WikipediaTool",
+    "LLMTool",
+    # io
+    "AgentType",
+    "AgentOutput",
+    "AgentFinish",
+    "BaseScratchPad",
+]