Icons constructor
Icons()
Implementation
Icons() {
argParser.addFlag('add',
help: 'Add new SVG code and convert it to SVG file');
argParser.addFlag('edit', help: 'Edit the class name of the icons');
argParser.addFlag('ep', help: 'Edit the path of the icons folder');
argParser.addFlag('ref', help: 'To refresh the dart class file');
argParser.addFlag('auto',
help:
'Listen for any changes in icons/path/<svg files> and update the dart class');
}