* store posts base idea
* switch to nullable types in Status object
* store posts first try + switch to nullable types for Attachment objects
* fix some tests, add converters
* update gradle
* wip: display stored post
* first draft of functional offline post
* added likes and shares to offline data
* fully functional
* clear activity correctly
* clear correctly activities
* refactored some tests and added offline feed test
* Distinguish between users, and only store home timeline
* count better
* Sort when getting statuses
* disable buttons, since we're offline anyways
Co-authored-by: Matthieu <61561059+Wv5twkFEKh54vo4tta9yu7dHa3@users.noreply.github.com>