restore ngramlists/change url that was removed by mistake in 2828aa22

gargantext/views/api/urls.py

@@ -7,15 +7,18 @@ urlpatterns = [ url(r'^nodes$'                , nodes.NodeListResource.as_view()
               , url(r'^nodes/(\d+)$'          , nodes.NodeResource.as_view()    )
               , url(r'^nodes/(\d+)/facets$'   , nodes.CorpusFacet.as_view()     )
               , url(r'^nodes/(\d+)/having$'   , nodes.NodeListHaving.as_view()  )
-
                 # get a list of ngram_ids or ngram_infos by list_id
                 # url(r'^ngramlists/(\d+)$', ngramlists.List.as_view()),
 
+              , url(r'^ngramlists/change$', ngramlists.ListChange.as_view()     )
+                # add or remove ngram from a list
+                #  ex: add <=> PUT ngramlists/change?list=42&ngrams=1,2
+                #       rm <=> DEL ngramlists/change?list=42&ngrams=1,2
+
               ,  url(r'^ngramlists/groups$', ngramlists.GroupChange.as_view())
                 # modify grouping couples of a group node
                 #  ex: POST ngramlists/groups?node=43
-                #           post data looks like : {"767":[209,640],"779":[436,265,385]}"
-
+                # post data looks like : {"767":[209,640],"779":[436,265,385]}"
 
               , url(r'^ngramlists/family$'     , ngramlists.ListFamily.as_view())
                 # entire combination of lists from a corpus
@@ -24,5 +27,4 @@ urlpatterns = [ url(r'^nodes$'                , nodes.NodeListResource.as_view()
                 #   - an optional stoplist
                 #   - an optional maplist
                 #   - an optional grouplist
-
               ]