Add maintainer attribution for @josebalius in README

[Copilot]

The issue requested adding josebalius to repository documentation. This PR updates the README with explicit maintainer attribution in the intro section.

• Documentation update

  • Added a maintainer line near the top of README.md to include @josebalius in the primary project description area.

• Resulting README snippet

# Codespaces Dotfiles Template

Test
Maintained by @josebalius.
This repo is a starting point for using custom dotfiles (terminal / editor configuration) with GitHub Codespaces

Original prompt

add josebalius to the readme and create a pr