Merge branch 'main' into '293-change-highlighting-of-unread-emails'

CHANGELOG.md

INSTALLATION.md

README.md

backend

codegen/gql/fragments/Exercise.graphql

codegen/gql/fragments/LearningActivity.graphql

codegen/gql/fragments/LearningObjective.graphql

codegen/gql/fragments/TeamLearningActivity.graphql

codegen/gql/fragments/TeamLearningObjective.graphql

codegen/gql/mutations/CreateExercise.graphql

codegen/gql/queries/GetTeamLearningObjectives.graphql

docker/nginx-deployment/.env

docker/nginx-deployment/nginx.conf

frontend/index.html

frontend/src/analyst/utilities.ts

frontend/src/components/ExerciseList/ExerciseCard.tsx

frontend/src/components/Navbar/index.tsx

...exercisepanel/DefinitionManager/components/Definition.tsx

frontend/src/exercisepanel/DefinitionManager/index.tsx

frontend/src/exercisepanel/ExerciseManager/index.tsx