objected knowledge base implement for email code structure

src/aios_kernel/knowledge/knowledge_base.py

@@ -0,0 +1,10 @@
+# define a knowledge base class
+from src.aios_kernel.agent import AgentPrompt
+from .object import KnowledgeObject
+
+class KnowledgeBase:
+    async def insert(self, object: KnowledgeObject):
+        pass
+
+    async def query(self, prompt: AgentPrompt) -> AgentPrompt:
+        pass