v0.2.0

What's Changed

• Added parsing multiple rewards from the single message
• Periodic giveaway state output
• Roll pre-order games in giveaways
• Masked keys for rewards in the unused state
• Refactoring reward formatters

Refactoring & upgrades

• Upgrade to dependencies to the latest versions
• After serenity upgrade (v0.13), the commands were migrated to rely on the poise package