- Replace deprecated `golang.org/x/crypto/ssh/terminal` with `golang.org/x/term`
- Update `terminal.ReadPassword()` calls to use `term.ReadPassword()`
- Remove unnecessary version of `golang.org/x/sys` in go.sum
- Ensure compatibility with latest terminal package recommendations
- Add new `internal/cli/admin.go` package for admin management
- Implement interactive admin account creation with secure password input
- Add CLI command for creating admin accounts with flexible input options
- Implement validation for admin account creation details
- Support both interactive and flag-based admin account creation
- Integrate with existing user and authentication services
- Update go.mod and go.sum with new dependencies and version upgrades
Enhances system administration capabilities by providing a flexible CLI tool for creating admin accounts with robust security and usability features.