Fix: add missing coupon routes

lib/routes.js

@@ -17,7 +17,7 @@ const populateSettings = require('./middlewares/populateSettings')
 
 const customerRoutes = require('./routes/customerRoutes')
 const logsRoutes = require('./routes/logsRoutes')
-const rootRoutes = require('./routes/rootRoutes')
+const pairingRoutes = require('./routes/pairingRoutes')
 const phoneCodeRoutes = require('./routes/phoneCodeRoutes')
 const pollingRoutes = require('./routes/pollingRoutes')
 const stateRoutes = require('./routes/stateRoutes')
@@ -51,7 +51,7 @@ app.use(bodyParser.json({ limit: '2mb' }))
 app.use(morgan(':method :url :status :response-time ms - :res[content-length]', { stream: logger.stream }))
 
 // app /pair and /ca routes
-app.use('/', rootRoutes)
+app.use('/', pairingRoutes)
 
 app.use(findOperatorId)
 app.use(populateDeviceId)