Update README.md

hoangtien2k3 · web-flow · commit 60c264c27f57 · 2023-09-19T15:48:22.000+07:00
diff --git a/README.md b/README.md
@@ -1,3 +1,5 @@
 # Rest API to Book movie tickets
 
+## ER Diagram Demo
+
 ![image](https://github.com/hoangtien2k3qx1/ticket-booking-api/assets/122768076/1e7b671a-8f6f-4457-84f5-44f62cf03e57)
