Added a warning about a hardcoded value

1Weather/Extensions/Measurement+String.swift

@@ -33,6 +33,8 @@ extension Measurement {
 
 
 extension Temperature {
 extension Temperature {
     var localeValue:Double {
     var localeValue:Double {
+        #warning("Hardcoded value!")
+        // TODO: replace .fahrenheit with a value from Settings.
         return self.converted(to: .fahrenheit).value.rounded(.down)
         return self.converted(to: .fahrenheit).value.rounded(.down)
     }
     }
 }
 }