Add rudimentary cli implementation

[ByteOtter]

Linked Items

Fixes N/A

Description

Add a basic implementation of cobbler-tftp's CLI with documentation:

Usage: cobbler-tftp [OPTIONS] COMMAND [ARGS]...

  Cobbler-TFTP - Copyright (c) 2022 The Cobbler Team. (github.com/cobbler)

  Licensed under the terms of the GPLv2.0 license.

Options:
  -h, --help  Show this message and exit.

Commands:
  print-default-config  Print the default application parameters.
  start                 Start the cobbler-tftp server.
  stop                  Stop the cobbler-tftp server daemon if it is running
  version               Check cobbler-tftp version.

TODO:

• Implement basic CLI layout
• Add unittests

Behaviour changes

N/A

Category

This is related to a:

• Bugfix
• Feature
• Packaging
• Docs
• Code Quality
• Refactoring
• Miscellaneous

Tests

• Unit-Tests were created
• System-Tests were created
• Code is already covered by Unit-Tests
• Code is already covered by System-Tests
• No tests required

[SchoolGuy]

Superseeded by #18