* introduce new prop for upgrade eligibility ([71](https://github.com/edx/frontend-lib-learning-assistant/issues/71)) ([c40ee8d](https://github.com/edx/frontend-lib-learning-assistant/commit/c40ee8d814e0f46abd2ef47f2aa0150ac15639e7))
* add message divider between old and new messages ([67](https://github.com/edx/frontend-lib-learning-assistant/issues/67)) ([455345e](https://github.com/edx/frontend-lib-learning-assistant/commit/455345efd14b63b10d34fa4fc5d166a2191c1294))