Add jcalafell to the list of alya developers

• Clone the repository
• Create a new branch issueN from the master (where N is the issue number)
• Assign yourself as assignee
• Put the label "tutorial"
• Associate your issue to the Milestone "Milestone tutorial"
• Edit the alya-developers file: add your name as defined in your gitlab profile, your login, and your gitlab id
• Add the alya-developers file to the future commit
• Commit your modifications: your commit message must reference this issue. Example issue #1: adding ddosimon information to alya-developers file
• Push your modifications to the remote repository
• If the CI/CD pipeline has run correctly, perform a merge request to reintegrate your branch to the master branch. Cite this issue in the merge request message using the tag #N where N is the issue number.
• Enjoy :-)