Add optional 'username' field to new connection object in home route

Author: jakobsa

lib/routes/home.js

@@ -40,6 +40,7 @@ module.exports = function() {
     let newConnection = {
       label: body.label,
       port: body.port,
+      username: body.username || null,
       password: body.password,
       dbIndex: body.dbIndex
     };