Create new package config and move Gruppen2Config to it

src/main/java/mops/gruppen2/config/Gruppen2Config.java

@@ -0,0 +1,26 @@
+package mops.gruppen2.config;
+
+import mops.gruppen2.domain.Exceptions.EventException;
+import mops.gruppen2.domain.Group;
+import mops.gruppen2.service.EventService;
+import mops.gruppen2.service.GroupService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.List;
+
+@Configuration
+public class Gruppen2Config {
+
+    @Autowired
+    GroupService groupService;
+    @Autowired
+    EventService eventService;
+
+    @Bean
+    public List<Group> groups() throws EventException {
+        return groupService.projectEventList(eventService.findAllEvents());
+    }
+
+}