Merge pull request #10 from bmf-san/update/readme

[update] readme.md

Author: bmf-san

README.md

@@ -2,6 +2,8 @@
 A web application boilerplate built with go and clean architecture.
 Most of this application built by standard libray.
 
+![image](https://user-images.githubusercontent.com/13291041/102681893-84326980-4208-11eb-8f84-2959e03b89d8.png)
+
 # Get Started
 `cp app/.env_example app/.env`
 `docker-compose build`