Tech add tests (#13)

Send exit status to ci and add readme

Author: subeshb1

.github/workflows/ci.yml

@@ -21,4 +21,4 @@ jobs:
       run: cd ./test && docker-compose up  -d api-test
 
     - name: test app
-      run: cd ./test && docker-compose up test
+      run: cd ./test && docker-compose run test

README.md

@@ -2,6 +2,8 @@
 
 A simple bash script to test JSON API from terminal in a structured and organized way.
 
+![CI](https://github.com/subeshb1/api-test/workflows/CI/badge.svg)
+
 ## Setting up
 
 ### Requirements