WIP - add extractor, generate snippet_data

node_modules/mozjpeg/cli.js

@@ -0,0 +1,9 @@
+#!/usr/bin/env node
+'use strict';
+const {spawn} = require('child_process');
+const mozjpeg = require('.');
+
+const input = process.argv.slice(2);
+
+spawn(mozjpeg, input, {stdio: 'inherit'})
+	.on('exit', process.exit);