pyproject toml file update and add github action for pytests

[oleks-dev]

1. New GitHub Actions Workflow (pytest-and-coverage.yaml)

• Creates a CI/CD pipeline for testing and code coverage
• Runs tests across Python 3.9, 3.10, and 3.11 versions
• Generates test reports and coverage data
• Uploads artifacts (coverage reports and test results) only for Python 3.11 to avoid duplicates
• Generates and publishes coverage badges and test status badges to a GitHub Pages branch (only for Python 3.11 builds)
• Includes badge generation using coverage-badge and anybadge tools
• Publishes badges to a badges/ directory on the gh-pages branch when changes are made to the main branch

2. README.md Updates

• Added two new badges to visualize test status and code coverage:
  • ![Tests](https://oleks-dev.github.io/prich/badges/tests.svg)
  • ![Coverage](https://oleks-dev.github.io/prich/badges/coverage.svg)
• Added python 3.10+ minimum requirement

3. pyproject.toml Changes

• Removed wheel from build dependencies (now only requires setuptools>=61.0)
• Changed license declaration from inline text to a file (LICENSE)
• Updated minimum Python version requirement from >=3.8 to >=3.10
• Added dependency breaking changes versions max
• Removed the console_scripts entry point section (possibly deprecated or moved elsewhere)

4. Small prich changes

• Tests modified to work properly with GitHub Actions and other machines
• mock_paths modified to not create prich folders and some logic extracted to a new testst/utils/utils.py file
• Validation check simplified to remove code duplication

Key Impacts

• The new workflow enables comprehensive test coverage analysis and automated badge generation for Python 3.11.
• The pyproject.toml changes simplify the project configuration by removing redundant entry points and standardizing coverage reporting.