Add route to get available languages

src/routes/cloudron.js

@@ -20,6 +20,7 @@ exports = module.exports = {
     prepareDashboardDomain,
     renewCerts,
     getServerIp,
+    getLanguages,
     syncExternalLdap
 };
 
@@ -313,3 +314,11 @@ function getServerIp(req, res, next) {
         next(new HttpSuccess(200, { ip }));
     });
 }
+
+function getLanguages(req, res, next) {
+    cloudron.getLanguages(function (error, languages) {
+        if (error) return next(new BoxError.toHttpError(error));
+
+        next(new HttpSuccess(200, { languages }));
+    });
+}