add view to fetch questions via ids

src/main/resources/views/skill_question

@@ -88,6 +88,9 @@
 		},
 		"preparation_question_ids_by_session_and_subject": {
 			"map": "function(doc) { if (doc.type == 'skill_question' && doc.questionVariant == 'preparation') { emit([doc.sessionId, doc.subject], doc._id); }}"
+		},
+		"questions_by_ids":{
+			"map":"function(doc) { if (doc.type == 'skill_question') { emit(doc._id, doc); }}"
 		}
 	}
 }