Default config to setup group editor

[balloob]

Description:

This adds the group component to the default config and sets up the connection using !include.

Checklist:

If the code does not interact with devices:

• Local tests with tox run successfully. Your PR cannot be merged unless tests pass
• Tests have been added to verify that the new code works.

[mention-bot]

@balloob, thanks for your PR! By analyzing the history of the files in this pull request, we identified @fabaff, @pvizeli and @Teagan42 to be potential reviewers.