this PR refines our BE validation & error handling system (if something results in an error, pass the errors to the front end as an array of error messages under err.response.data.messages) and renders the errors into the FE
see #135 for further details on what error cases have been addressed in this PR
this PR refines our BE validation & error handling system (if something results in an error, pass the errors to the front end as an array of error messages under
err.response.data.messages) and renders the errors into the FEsee #135 for further details on what error cases have been addressed in this PR