Fix button spacing, opacity simplification, gitignore cleanup

WindowsApp/MainWindow.xaml

@@ -0,0 +1,16 @@
+<Window x:Class="Gott.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:wv2="clr-namespace:Microsoft.Web.WebView2.Wpf;assembly=Microsoft.Web.WebView2.Wpf"
+        Title="// gott"
+        Width="400" Height="300"
+        WindowStartupLocation="CenterScreen"
+        Background="#222">
+    <Grid>
+        <wv2:WebView2 x:Name="webView" Visibility="Hidden" />
+        <StackPanel x:Name="loader" VerticalAlignment="Center" HorizontalAlignment="Center">
+            <ProgressBar IsIndeterminate="True" Width="200" Height="3" Foreground="#c91" Background="#333" BorderThickness="0" />
+            <TextBlock Text="Laden..." Foreground="#ddd" FontSize="13" HorizontalAlignment="Center" Margin="0,10,0,0" FontFamily="Segoe UI" />
+        </StackPanel>
+    </Grid>
+</Window>