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[Tearran]

Description

Please include a summary of the change and which issue is fixed. Provide relevant motivation and context. Ensure that no new external dependencies are introduced in this change.

Issue reference:
#67

Usage:  armbian-configng --[option]
     Options:
     --help [category]   Use [category] to filter specific menu options.
     --cmd  [option]     Run a command from the menu (simple)
     --api  [option]     Run a helper command        (advanced)
     --doc               Generate the README.md file

     Examples:
     armbian-configng --help [System|Software|Network|Localisation]
     armbian-configng --cmd help 
     armbian-configng --api help

test

armbian-configng --help system

Usage:  armbian-configng [option] [arguments]

    --help [category]  -  Use [category] to filter specific menu options.
    --cmd S01 - Enable Armbian kernel/firmware upgrades
    --cmd S02 - Disable Armbian kernel upgrades
    --cmd S03 - Edit the boot environment
    --cmd S04 - Install Linux headers
    --cmd S05 - Remove Linux headers
    --cmd S06 - Install to internal storage
    --cmd S07 - Manage SSH login options
    --cmd SS01 - Disable root login
    --cmd SS02 - Enable root login
    --cmd SS03 - Disable password login
    --cmd SS04 - Enable password login
    --cmd SS05 - Disable Public key authentication login
    --cmd SS06 - Enable Public key authentication login
    --cmd SS07 - Disable OTP authentication
    --cmd SS08 - Enable OTP authentication
    --cmd SS09 - Generate new OTP authentication QR code
    --cmd SS10 - Show OTP authentication QR code
    --cmd S08 - Change shell system wide to BASH
    --cmd S09 - Change shell system wide to ZSH
    --cmd S10 - Switch to rolling release
    --cmd S11 - Switch to stable release