Feat/mantis new cli

[babacarbasse]

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows our guidelines: https://github.com/mantis-apps/mantis-cli/blob/master/CONTRIBUTING.md
• [x] All code passes linting (npm run lint:all) and formatting (npm run format:all) checks
• [ ] Docs have been added / updated if relevant

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [x] Feature
• [ ] Code style update (formatting, local variables)
• [x] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

Other information