Add initial achiever setup.
Require serializable
Store achievements
Connect achievements-view with achiever
Check that box! :white_check_mark:
Cleanup state handling
Comments and cleanup
Call this version 2, add commmentary
Fix achievement startup for new users
Initial tests.
Add achiever spec
Very basic tests
Merge pull request #1 from rgbkrk/state

Keep track of achievements via a serialized state