Fix readme for AAA Accounting

[onurgashi]

Change Summary

Missing group under AAA accounting exec default

aaa_accounting:
  exec:
    default:
      type: < none | start-stop | stop-only >
      group: < group_name >

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Code style update (formatting, renaming)
• Refactoring (no functional changes)
• Documentation content changes
• Other (please describe):

Related Issue(s)

Component(s) name

eos_cli_config_gen the readme

Proposed changes

How to test

The code is there, so it would work if you just add group

Checklist:

• My code has been rebased from devel before I start
• I have read the CONTRIBUTING document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have updated molecule CI testing accordingly
• All new and existing tests passed (pre-commit, make linting and make sanity-lint).

[titom73]

Looks good to me