Read this [comment](https://git.duniter.org/clients/python/silkaj/-/merge_requests/170#note_26663). `network_tools.send_document()` function should take as parameters: * BMA path where to send the document * the signed document It should indicate if the document was sent or not. Should be first created, then applied to: - [x] `tx` - [x] `cert` - [x] `membership` - [ ] (`revoke`) - [ ] (`identity`)