5.1.0

Commits

• 86cd36a: Bump express from 4.19.2 to 4.21.0 (#754) (dependabot[bot]) #754
• 39f0c1e: Update study plan course types (#757) (Aline Keller) #757
• c0c9c9d: Additional image alignment classes in Organisms/Hero (#756) (Xurxo Adrián Entenza) #756
• ce6ce47: Release 5.1.0 (William Belle)