fix: add user feedback message for unsupported file type - #142

fix: add user feedback message for unsupported file type#142

georgeRobertson wants to merge 3 commits into

release_v010NHSDigital/data-validation-engine:release_v010from

bugfix/gr-ndit-1525-raise_user_feedback_message_on_invalid_filetypeNHSDigital/data-validation-engine:bugfix/gr-ndit-1525-raise_user_feedback_message_on_invalid_filetypeCopy head branch name to clipboard