add empty network.md

Author: HengchengZhang

lectures/networks.md

@@ -0,0 +1,14 @@
+---
+jupytext:
+ text_representation:
+ extension: .md
+ format_name: myst
+ format_version: 0.13
+ jupytext_version: 1.14.5
+kernelspec:
+ display_name: Python 3 (ipykernel)
+ language: python
+ name: python3
+---
+
+# Networks