Added georestriction with SFW mode.

src/argv.js

@@ -1,11 +1,15 @@
 import yargs from 'yargs';
 
-const { argv } = yargs()
-	.command('npm start')
+const { argv } = yargs(process.argv.slice(2))
 	.option('debug', {
-		describe: 'Show error stack traces',
+		describe: 'Show error stack traces and inputs',
 		type: 'boolean',
 		default: process.env.NODE_ENV === 'development',
+	})
+	.option('ip', {
+		describe: 'Mock IP address',
+		type: 'string',
+		default: null,
 	});
 
 export default argv;