fix(docker-setup): add current user to the DOCKER group

[dhruvmistry2000]

When i used the docker setup in LINUTIL it didn't add the user to the docker group so this is the edited file

Type of Change

• New feature
• Bug fix
• Documentation update
• Refactoring
• Hotfix
• Security patch
• UI/UX improvement

Checklist

• My code adheres to the coding and style guidelines of the project.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• My changes generate no errors/warnings/merge conflicts.

[dhruvmistry2000]

Done

[dhruvmistry2000]

Is there any problem ??

[afonsofrancof]

LGTM

[Jaredy899]

If you're installing both docker and docker compose, the script will suspend after newgrp docker and won't go further to install docker compose. I think this should be a different function.

[dhruvmistry2000]

If you're installing both docker and docker compose, the script will suspend after newgrp docker and won't go further to install docker compose. I think this should be a different function.

Made a new function.