Comments: comment section under all observations with like functionality

All spots on the map feature an own comment section just below the observation's data. Users can post comments like questions or feedback and get in contact with each other. The project team itself can use an own registered user account for giving direct feedback to the participants. All comments display an "appriciation button" (heart) for liking. New comments, replies and comment-likes of are displayed in the user's newsfeed in the app to stay informed about new activity.