Refactor Api-Client

Add Exceptionhandler, AlertService JSON-Converter
AppSettings via DI

Reformat Code

Jugenddienst Stunden/Views/NotePage.xaml

@@ -1,4 +1,5 @@
-<?xml version="1.0" encoding="utf-8" ?>
+<?xml version="1.0" encoding="utf-8"?>
+
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
@@ -11,8 +12,8 @@
     </ContentPage.BindingContext>
 
     <ContentPage.Behaviors>
-        <toolkit:StatusBarBehavior 
-            StatusBarColor="{AppThemeBinding Dark={StaticResource OffBlack}, Light={StaticResource Primary}}" 
+        <toolkit:StatusBarBehavior
+            StatusBarColor="{AppThemeBinding Dark={StaticResource OffBlack}, Light={StaticResource Primary}}"
             StatusBarStyle="LightContent" />
     </ContentPage.Behaviors>