Readme drush si

[froboy]

Add drush site-install instructions and clean everything up.

Steps for review

• [ ] Read the README

General checks

• [ ] All coding styles are fulfilled and there are no any issues reported by CodeSniffer. See Code of Conduct.
• [ ] Try to use Conventional commit messages accordingly to the standard https://www.conventionalcommits.org/en/v1.0.0/#specification
• [ ] Documentation has been updated according to PR changes.
• [ ] Steps for review have been provided according to PR changes.
  
• [ ] Make sure you've provided all necessary hook_update_N to support upgrade path.
• [ ] Make sure your git email is associated with an account on drupal.org, otherwise, you won't get commits there.
  
• [ ] If you would like to get credits on drupal.org, check documentation.

Thank you for your contribution!

[froboy]

@carolpettirossi @andrebonon for review

[carolpettirossi]

Thanks for working on these updates @froboy. The drush si command is really useful during development. Hopefully, this PR can be merged toon.

[ciboxbot]

Refer to this link for build results (access rights to CI server needed): http://openy.cibox.tools:8081//job/PR_BUILDER_COMPOSER/4555/

Check YMCA Website Services Installation Wizard at http://install.openy.cibox.tools/build4555/install.php

[ciboxbot]

YMCA Website Services Upgrade Path site check installed at http://upgrade.openy.cibox.tools/build4555/

[ciboxbot]

Open Y Complete profile installed at http://profile.openy.cibox.tools/build4555/