objected knowledge base implement for email code structure

src/aios_kernel/knowledge/vector_base.py

@@ -0,0 +1,14 @@
+# import the ObjectID class
+from .object import ObjectID
+
+# define a vector base class
+class VectorBase:
+    def __init__(self, db_url, model_name) -> None:
+        self.db_url = db_url
+        self.model_name = model_name
+
+    async def insert(self, vector: [float], id: ObjectID):
+        pass
+
+    async def query(self, vector: [float], top_k: int) -> [ObjectID]:
+        pass