Add username to user

server/db/seeds/default.js

@@ -1,6 +1,6 @@
 const bcrypt = require('bcrypt');
 
-exports.seed = knex => {
+exports.seed = (knex) => {
   const date = new Date().toUTCString();
 
   return knex('user_account').insert({
@@ -8,6 +8,7 @@ exports.seed = knex => {
     password: bcrypt.hashSync('demo', 10),
     isAdmin: true,
     name: 'Demo Demo',
+    username: 'demo',
     createdAt: date,
     updatedAt: date,
   });