fix: allow featuring a bounty with more than one address available

Also test this scenario and the correct exception behavior

Close issue #10
chore: update README file

Add instructions regarding cronjob and release flow
chore: Add logging to decay_balance command
Update README again
fix: more proper logging in decay_balance
fix: change all datetime.now to timezone aware now to remove
     the DepricationWarning
fix: add default ordering to main models

[Finishes #66820510]