SQLScripter v4.2.1.0

✨Enhancements
Structured CLI Overrides: Added flags (--server, --database, --types, --output, --threads, --zip) to override settings without editing JSON.
Help Menu: Added a professional help screen (--help).
Automatic Cleanup: Implemented retention logic to auto-delete old scripts and ZIPs based on DaysToKeepFilesInOutputFolder.
Refined Documentation: Updated README with common scenarios and CLI guides.
🛠️ Fixes
Resolved build errors regarding System.Linq references.
Standardized Procedures naming across CLI and help.