update .gitignore

node_modules/pm2/lib/templates/sample-apps/http-server/api.js

@@ -0,0 +1,9 @@
+
+var http = require('http');
+
+var server = http.createServer(function(req, res) {
+  res.writeHead(200);
+  res.end('hey');
+}).listen(process.env.PORT || 8000, function() {
+  console.log('App listening on port %d', server.address().port);
+});