KNOXSSer 2.0

Full Changelog: CHANGELOG.md

• Added support for scanning URLs with POST data using the -pd or --postdata option.
• Added support for authenticated scans by passing cookies (-c or --cookies) and authorization headers.
• Added a new option (-ri or --retry-interval) to specify the interval (in seconds) between retries for failed scans.
• Improved the update process to remove the old knoxsser binary file before updating to the latest version.
• Improved error handling for API rate limits, service unavailability, and other edge cases.