cleaning

deltachat-ios/Extensions/Date+Extension.swift

@@ -20,7 +20,8 @@ extension Date {
     var isInThisMonth: Bool { isInSameMonth(as: Date()) }
     var isInThisWeek: Bool { isInSameWeek(as: Date()) }
     var isInLastWeek: Bool {
-        guard let lastWeekDate = Calendar.current.date(byAdding: .weekOfYear, value: -1, to: Date()) else { return false
+        guard let lastWeekDate = Calendar.current.date(byAdding: .weekOfYear, value: -1, to: Date()) else {
+            return false
         }
         return isEqual(to: lastWeekDate, toGranularity: .weekOfYear)
     }

deltachat-ios/View/Cell/GalleryCell.swift

@@ -38,6 +38,7 @@ class GalleryCell: UICollectionViewCell {
 
     override var isSelected: Bool {
         willSet {
+            // to provide visual feedback on select events
             contentView.backgroundColor = newValue ? DcColors.primary : .white
             imageView.alpha = newValue ? 0.75 : 1.0
         }