Replace Domain Controllers and redesign CLI structure.

This milestone has two main goals.
For users there will be,

• Reduced costs
• Simpler user management
• More coherent CLI

For developers,

• Simpler deployed architecture
• Better structure for configuration and command line

In more detail,

• CLI redesign
  • Ensures consistency across commands
  • Improves usability with fewer command line options
  • Improves reproducibility and collaborative use through configuration synchronisation
• Replace domain controllers
  • Less complex architecture for identity and authentication
  • Reduces cost, removing the need for DC resources
  • User management becomes simpler and more robust, purely through the Azure portal