Updated README.md for branch domain

README.md

@@ -21,3 +21,9 @@ You can checkout the branches to see the state of development for the correspond
 by `git checkout <branch_name>.` or by using the GitLab UI.
 
 This `README.md` file may contain specific informations about the current branch.
+
+* branch domain
+
+Check the database scheme in the h2 database that was created by JPA.
+Use the h2-console application for this reason.
+http://localhost:8080/h2-console.