feat: route to get notified of machine cashbox removal

lib/routes.js

@@ -206,6 +206,15 @@ function stateChange (req, res, next) {
     .catch(next)
 }
 
+function notifyCashboxRemoval (req, res, next) {
+  Promise.resolve()
+    .then(() => {
+      logger.log(`Device ${req.deviceId} had its cashbox removed.`)
+      return res.status(200).send({ status: 'OK' })
+    })
+    .catch(next)
+}
+
 function verifyUser (req, res, next) {
   const pi = plugins(req.settings, req.deviceId)
   pi.verifyUser(req.body)
@@ -530,6 +539,7 @@ app.use(filterOldRequests)
 app.get('/poll', poll)
 app.get('/terms_conditions', getTermsConditions)
 app.post('/state', stateChange)
+app.post('/cashbox/removal', notifyCashboxRemoval)
 
 app.post('/network/heartbeat', networkHeartbeat)
 app.post('/network/performance', networkPerformance)