wip: add NetworkXKGBuilder

Author: ChenZiHong-Gavin

graphgen/models/kg_builder/NetworkXKGBuilder.py

@@ -0,0 +1,18 @@
+from dataclasses import dataclass
+
+from graphgen.bases import BaseKGBuilder
+
+
+@dataclass
+class NetworkXKGBuilder(BaseKGBuilder):
+    def build(self, chunks):
+        pass
+
+    async def extract_all(self, chunks):
+        pass
+
+    async def extract(self, chunk):
+        pass
+
+    async def merge_nodes(self, nodes_data, kg_instance, llm):
+        pass