Add user controller

src/controllers/index.js

@@ -0,0 +1,7 @@
+import users from './users'
+
+exports = module.exports = function Controllers (app) {
+  app
+    .use(users.routes())
+    .use(users.allowedMethods())
+}

src/controllers/users.js

@@ -0,0 +1,12 @@
+import Router from 'koa-router'
+import config from '../../config/config'
+
+const router = new Router({ prefix: '/users' })
+
+router.get('/',
+  async (ctx) => {
+    ctx.body = {}
+  }
+)
+
+export default router