Merge remote-tracking branch 'origin/dev' into feature/own-learning-objects

# Conflicts:
#	backend/package.json
#	backend/src/config.ts
#	backend/src/controllers/learningObjects.ts
#	backend/src/controllers/learningPaths.ts
#	backend/src/data/content/attachment-repository.ts
#	backend/src/data/content/learning-object-repository.ts
#	backend/src/data/content/learning-path-repository.ts
#	backend/src/data/repositories.ts
#	backend/src/entities/content/learning-path.entity.ts
#	backend/src/exceptions.ts
#	backend/src/routes/learning-objects.ts
#	backend/src/services/learningObjects.ts
#	backend/src/services/learningPaths.ts
#	backend/src/util/apiHelper.ts
#	backend/src/util/envvars.ts
#	package-lock.json

backend/src/entities/content/attachment.entity.ts

@@ -4,7 +4,10 @@ import {AttachmentRepository} from "../../data/content/attachment-repository";
 
 @Entity({repository: () => AttachmentRepository})
 export class Attachment {
-    @ManyToOne({ entity: () => LearningObject, primary: true })
+    @ManyToOne({
+        entity: () => LearningObject,
+        primary: true,
+    })
     learningObject!: LearningObject;
 
     @PrimaryKey({ type: 'string' })