Add vulcanize to tools.

tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/examples/CAPSLOCKTYPER.JS

Index: tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/examples/CAPSLOCKTYPER.JS
diff --git a/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/examples/CAPSLOCKTYPER.JS b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/examples/CAPSLOCKTYPER.JS
new file mode 100644
index 0000000000000000000000000000000000000000..205a42564b5773e0378c066d71b7da34c7b85af7
--- /dev/null
+++ b/tools/vulcanize/node_modules/vulcanize/node_modules/cheerio/node_modules/htmlparser2/node_modules/readable-stream/examples/CAPSLOCKTYPER.JS
@@ -0,0 +1,32 @@
+var Transform = require('../transform');
+var inherits = require('util').inherits;
+
+// subclass
+function MyStream () {
+  Transform.call(this, {
+    lowWaterMark: 0,
+    encoding: 'utf8'
+  });
+}
+inherits(MyStream, Transform);
+
+MyStream.prototype._transform = function (chunk, outputFn, callback) {
+  outputFn(new Buffer(String(chunk).toUpperCase()));
+  callback();
+};
+
+// use it!
+var s = new MyStream();
+process.stdin.resume();
+process.stdin.pipe(s).pipe(process.stdout);
+if (process.stdin.setRawMode)
+  process.stdin.setRawMode(true);
+process.stdin.on('data', function (c) {
+  c = c.toString();
+  if (c === '\u0003' || c === '\u0004') {
+    process.stdin.pause();
+    s.end();
+  }
+  if (c === '\r')
+    process.stdout.write('\n');
+});