REST API upgrade

source/coordinator/routes/index.js

@@ -0,0 +1,8 @@
+const router = require('express').Router()
+const router_title = require('./title')
+const router_session = require('./session')
+
+router.use('/title', router_title)
+router.use('/session', router_session)
+
+module.exports = router

source/coordinator/routes/session.js

@@ -0,0 +1,10 @@
+const router = require('express').Router()
+
+const {plan_session, create_session, connect_session, close_session} = require('../controller/session')
+
+router.get('/plan', plan_session)
+router.get('/create', create_session)
+router.get('/connect', connect_session)
+router.get('/close', close_session)
+
+module.exports = router

source/coordinator/routes/title.js

@@ -0,0 +1,7 @@
+const router = require('express').Router()
+
+const {get_titles} = require('../controller/title')
+
+router.get('/get', get_titles)
+
+module.exports = router