feat: add HasErrorChain utility and improve error chain documentation

- Added HasErrorChain function to check for ErrorChain instances
- Updated Unwrap method documentation
- Enhanced Collapse function documentation with notes on error formatting and handling

feat: new `Wrape` to wrap two errors

feat: new `Wrape` to wrap two errors

feat: error message utility

`PassBack` alias

Add Maybe functions for handling errors

Add MustResult2 and MustResult2f functions

Add RecoverFn function to handle panic and call a

given function with the recovered error

Improved Must functions which also accept error only

Add Throw function for error handling