feat: improve error handling

[mateuszjenek]

This PR introduces a comprehensive error handling service designed to manage various error types across the system. The newly added service addresses the following:

• Extension Errors: Handles errors originating from extensions, ensuring proper management and consistent reporting.
• Generic Errors objects: Manages common errors, such as network connectivity issues (e.g., no internet connection), improving user feedback when these issues arise.
• Custom Objects: Supports the handling of custom error objects, allowing for flexible and extensible error management.

Additionally, this PR adds a new humctl error that deals with unexpected responses from the CLI, such as the common 'Unexpected end of JSON input' error.

Example output: