Praetorian-cli

- [New Feature] Renamed `--scripts` to `--plugin` flag to run scripts as plugins.
- [New Feature] Added `plugin` command to run extended functionalities as CLI commands.
- [Bug Fix] Add class tags for manual uploads and risk definitions
- [New Plugin] Added `report` plugin to generate client reports using internal templates.

- [New Feature] Added GitLab integration

- [Bug Fix] Fixed `chariot test` command
- [New Feature] Added Azure org-level integration
- [New Feature] Now run scripts from any directory as plugins with --script flag

- [Bug Fix] Delete command was not making correct API calls.
- [Bug Fix] Update command was unable to handle <KEY> argument and was throwing an error.
- [Doc Update] For add command, clearer instructions are added for the `--key` argument.

- Updated the `link` actions for a corresponding update in the backend API.

Initial open-source release.