Annotate articles

Example JSON Body: { "entryId": "Xne8uW/IUiZhV1EuO2ZMzIrc2Ak6NlhGjboZ+Yk0rJ8=_1523699cbb3:2aa0463:e47a7aef", "comment": "Good article", "highlight": { "version": 1, "start": 0, "end": 14, "text": "this is the highlighted text" } }