Create `pacta-cli` repository

[akhundMurad]

pacta-cli: the central entry point of Pacta -- command line interface. Will provide commands to interact with the imported pacta-core.

Dependencies:

• pacta-core
• matplotlib
• click -- if we will refactor this component.

Structure:

.
├── .github/workflows/
├── pacta-cli/
│   ├── _ascii_chart.py
│   ├── _engine_adapter.yml
│   ├── _errors.py
│   ├── _io.py
│   ├── _mpl_chart.py
│   ├── _trends.py
│   ├── check.py
│   ├── diff.py
│   ├── exitcodes.py
│   ├── history.py
│   ├── main.py
│   ├── scan.py
│   └── snapshot.py
├── pyproject.yml
├── uv.lock
└── README.md