Improve temperature accuracy and layout

TempTrack/Views/DayView.swift

@@ -7,6 +7,13 @@ private let df: DateFormatter = {
     return df
 }()
 
+private let dateFormatter: DateFormatter = {
+    let df = DateFormatter()
+    df.dateStyle = .medium
+    df.timeStyle = .none
+    return df
+}()
+
 struct DayView: View {
 
     let dateIndex: Int

TempTrack/Views/TemperatureDayOverview.swift

@@ -47,7 +47,7 @@ struct TemperatureDayOverview: View {
                 }
             }
         }
-        .aspectRatio(2.6, contentMode: .fit)
+        .aspectRatio(1, contentMode: .fit)
         //.chartXScale(domain: pastDateLimit...futureDateLimit)
         .chartYScale(domain: lowerTempLimit...upperTempLimit)
         .chartXAxis {
@@ -71,7 +71,6 @@ struct TemperatureDayOverview: View {
                 AxisGridLine()
             }
         }
-        .padding()
     }
 }