Add languages api route

types/Dojo/ApiRoute.ts

@@ -24,6 +24,7 @@ enum ApiRoute {
     TAG_PROPOSAL_GET_CREATE             = '/tags/proposals',
     TAG_PROPOSAL_UPDATE                 = '/tags/proposals/{{tagName}}',
     SONAR                        = '/sonar',
+    LANGUAGES                    = '/assignments/languages',
 }