Add object and chunk base impl and test cases

src/knowledge/data/chunk_list.py

@@ -0,0 +1,14 @@
+from ..object import HashValue
+from .chunk import ChunkID
+from typing import List
+
+class ChunkList:
+    def __init__(self, chunk_list: List[ChunkID], hash: HashValue):
+        self.chunk_list = chunk_list
+        self.hash = hash
+
+    def __str__(self):
+        return self.hash.to_base58()
+
+    def __repr__(self):
+        return f"chunk_list: {self.chunk_list}, hash: {self.hash}"