Add readme

Author: adribaeza

README.md

@@ -27,7 +27,7 @@ In this project, you can find the following workflows (only available with each
 
 - **CI**: This workflow runs the unit tests (with pytest dependency) for the backend and frontend applications. This workflow is triggered when changes are pushed to the main branch
 
-      ![CI Workflow](./images/github_actions_ci.png)
+   ![CI Workflow](./images/github_actions_ci.png)
 
 - **Build and Push Docker Images**: This workflow builds the Docker images for the backend and frontend applications and pushes them to GitHub Container Registry.  This workflow is triggered when the CI workflow passes successfully. You can find  images in the following public registries: