Description

This adds groups to top level commands:

octl
[...]
Usage:
  octl [flags]
  octl [command]

OUTSCALE Services Commands
  iaas        OUTSCALE IaaS management
  kube        OUTSCALE Kubernetes as a Service (OKS) management
  storage     OUTSCALE Object Storage (OOS) management

Configuration Commands
  profile     Profile file management

Additional Commands:
  completion  Generate the autocompletion script for the specified shell
  help        Help about any command
  update      Update octl to the latest version

Type of Change

Please check the relevant option(s):

• 🐛 Bug fix
• ✨ New feature
• 🧹 Code cleanup or refactor
• 📝 Documentation update
• 🔧 Build or CI-related change
• 🔒 Security fix
• Other (specify): ux

How Has This Been Tested?

Please describe the test strategy:

• Manual testing
• Unit tests
• Integration tests
• Not tested yet

Checklist

• I have followed the Contributing Guidelines
• I have added tests or explained why they are not needed
• I have updated relevant documentation (README, examples, etc.)
• My changes follow the Conventional Commits specification
• My commits include appropriate Gitmoji

Additional Context