v0.22.0

What's Changed

• feat: estimate, receipt, credit note mail preview by @abouolia in #757
• feat: Add discount to transactions by @abouolia in #758
• fix: update financial forms to use new formatted amount utilities and… by @abouolia in #760
• fix: total lines style by @abouolia in #761
• fix: discount & adjustment sale transactions bugs by @abouolia in #762
• fix: discount transactions GL entries by @abouolia in #763

Full Changelog: v0.21.2...v0.22.0