Create new collections from my collections view

front/src/api.js

@@ -121,6 +121,10 @@ export async function postImportBook(id, language) {
   return genericPayloadCall('/ws/importbook', { inventaireid: id, lang: language }, 'POST')
 }
 
+export function postCollection(collection) {
+  return genericPayloadCall('/ws/collection', collection, 'POST')
+}
+
 export function putBook(id, book) {
   return genericPayloadCall('/ws/book/edit/' + id, book.value, 'PUT')
 }