New achievement: Remíza

[PiechZ]

What's the achievement name? Remíza

What are the criteria for awarding this achievement? Awarded to a judge, that will split with another judge, resulting the debate in a draw.

Is this aimed at a particular audience - e.g. new debaters, experienced debaters, judges or coaches? Judge

Implementation progress

• achievement named and described
• achievement criteria translated to SQL
• tests for columns added in achievements.yml
• model reference added to union_relations in final__all_achievements.sql
• achievement image generated and placed in frontend/public/achievement_backgrounds/