Manually create a new document for second collection

frontend/utils/routeHelpers.js

@@ -1,5 +1,6 @@
 // @flow
 import Document from 'models/Document';
+import Collection from 'models/Collection';
 
 export function homeUrl(): string {
   return '/dashboard';
@@ -21,6 +22,10 @@ export function documentEditUrl(doc: Document): string {
   return `${doc.url}/edit`;
 }
 
+export function newDocumentUrl(collection: Collection): string {
+  return `${collection.url}/new`;
+}
+
 export function searchUrl(query?: string): string {
   if (query) return `/search/${query}`;
   return `/search`;