Merge pull request #39 from ipc-lab/release/v0.2.1

Remove references to unused example directories in documentation

Update changelog and version to 0.2.1; add new features, improvements, and fixes

Update BPG download links to use the correct source for improved installation reliability

CapacityAnalyzer removed. Refactor code structure for improved readability and maintainability

Refactor examples and tests for improved clarity and coverage

Add comprehensive tests for SSIM and EVM metrics, including stateful methods, error handling, and edge cases

Improve system dependency installation in CI workflows with enhanced checks and alternative installation methods

Enhance CI workflows by adding caching for BPG tools, improving system dependency installation, and implementing multiple download sources for BPG. Include better error handling and logging during the installation process.

Refactor BPG tools installation in CI workflows to improve environment checks, error handling, and installation verification; ensure non-critical failures do not halt the process.

Enhance data handling and visualization in channel comparison and MAC integration examples; improve comments and remove unnecessary print statements in FEC tutorials.

Refactor BPG tools installation in CI workflows to create a local bin directory, improve dependency checks, and enhance error handling during compilation.

Add installation and validation steps for BPG tools in CI workflows

Add comprehensive tests for mutual information processing and edge cases in CapacityAnalyzer

Remove patch coverage configuration from codecov.yml