7 add cli functionality

[rakibulhaq]

No description provided.

[Copilot]

Pull Request Overview

Adds a new command‐line interface for running PySentinel in both synchronous and asynchronous modes, along with tests and documentation updates.

• Introduce pysentinel script entry point and CLI module (pysentinel/cli/cli.py).
• Add comprehensive pytest coverage for CLI behavior.
• Bump version in pyproject.toml and update README.md with installation & usage instructions.

Reviewed Changes

Copilot reviewed 23 out of 26 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pysentinel/cli/cli.py	New CLI with sync/async startup, config validation
tests/pysentinel/cli/test_cli.py	Test suite for CLI commands and error conditions
pyproject.toml	Version bump to 0.1.4 and added pysentinel script
README.md	Extended with CLI installation and usage sections
*	Other files: consistent quote style and trailing commas

Files not reviewed (1)

• .idea/workspace.xml: Language not supported

Comments suppressed due to low confidence (2)

README.md:156

• The code fence under "Install from PyPI (Recommended)" is opened but not closed, and an extra empty fence follows. Collapse to a single properly fenced block containing the install commands.

```bash

README.md:159

• Remove this redundant opening fence and ensure the block is closed with ``` on its own line after the install commands.

```bash