Update README.md

Signed-off-by: Harsh Sonkar <114162367+hq969@users.noreply.github.com>

Author: hq969

README.md

@@ -20,20 +20,16 @@ This project demonstrates how to build and deploy a **Dockerized Flask web appli
 ---
 
 ## 📁 Project Structure
-
+```
 myapp/
 
 ├── app.py
-
 ├── Dockerfile
-
 ├── requirements.txt
-
 ├── buildspec.yml
+     └── imagedefinitions.json 
 
-└── imagedefinitions.json 
-
-
+```
 
 ---