function saveOffline() {
    const data = generateSaveData();
    localStorage.setItem(projectId, data);
    const temp = JSON.parse(localStorage.getItem('projectList')) || {};
    temp[projectId] = getProjectName();
    localStorage.setItem('projectList', JSON.stringify(temp));
    showMessage(`We have saved your project: ${getProjectName()} in your browser's localStorage`);
}
Helper function to store to localStorage -- needs to be deprecated/removed
@category data