Move the update info into separate route (since it is sensitive)

src/routes/cloudron.js

@@ -5,6 +5,7 @@ exports = module.exports = {
     getProgress: getProgress,
     getConfig: getConfig,
     getDisks: getDisks,
+    getUpdateInfo: getUpdateInfo,
     update: update,
     feedback: feedback,
     checkForUpdates: checkForUpdates,
@@ -67,6 +68,10 @@ function update(req, res, next) {
     });
 }
 
+function getUpdateInfo(req, res, next) {
+    next(new HttpSuccess(200, { update: updateChecker.getUpdateInfo() }));
+}
+
 function checkForUpdates(req, res, next) {
     async.series([
         updateChecker.checkAppUpdates,